Further consolidate the libraries

2025-10-30 23:27:41 +02:00 · 2019-06-03 18:44:43 +01:00
parent fe060b2d0b
commit b42b6fa0fc
110 changed files with 11934 additions and 83 deletions
--- a/api/.travis.yml
+++ b/api/.travis.yml
@@ -0,0 +1,7 @@
+language: go
+go:
+- 1.10.x
+- 1.11.x
+notifications:
+  slack:
+    secure: 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
--- a/api/README.md
+++ b/api/README.md
@@ -0,0 +1,18 @@
+# Go API [![License](https://img.shields.io/:license-apache-blue.svg)](https://opensource.org/licenses/Apache-2.0) [![GoDoc](https://godoc.org/github.com/micro/go-micro/api?status.svg)](https://godoc.org/github.com/micro/go-micro/api) [![Travis CI](https://api.travis-ci.org/micro/go-micro/api.svg?branch=master)](https://travis-ci.org/micro/go-micro/api) [![Go Report Card](https://goreportcard.com/badge/micro/go-micro/api)](https://goreportcard.com/report/github.com/micro/go-micro/api)
+
+Go API is a pluggable API framework driven by service discovery to help build powerful public API gateways.
+
+## Overview
+
+The Go API library provides api gateway routing capabilities. A microservice architecture decouples application logic into 
+separate service. An api gateway provides a single entry point to consolidate these services into a unified api. The 
+Go API uses routes defined in service discovery metadata to generate routing rules and serve http requests.
+
+<img src="https://micro.mu/docs/images/go-api.png?v=1" alt="Go API" />
+
+Go API is the basis for the [micro api](https://micro.mu/docs/api.html).
+
+## Getting Started
+
+See the [docs](https://micro.mu/docs/go-api.html) to learn more
+
--- a/api/api.go
+++ b/api/api.go
@@ -0,0 +1,144 @@
+package api
+
+import (
+	"errors"
+	"regexp"
+	"strings"
+
+	"github.com/micro/go-micro/registry"
+	"github.com/micro/go-micro/server"
+)
+
+// Endpoint is a mapping between an RPC method and HTTP endpoint
+type Endpoint struct {
+	// RPC Method e.g. Greeter.Hello
+	Name string
+	// Description e.g what's this endpoint for
+	Description string
+	// API Handler e.g rpc, proxy
+	Handler string
+	// HTTP Host e.g example.com
+	Host []string
+	// HTTP Methods e.g GET, POST
+	Method []string
+	// HTTP Path e.g /greeter. Expect POSIX regex
+	Path []string
+}
+
+// Service represents an API service
+type Service struct {
+	// Name of service
+	Name string
+	// The endpoint for this service
+	Endpoint *Endpoint
+	// Versions of this service
+	Services []*registry.Service
+}
+
+func strip(s string) string {
+	return strings.TrimSpace(s)
+}
+
+func slice(s string) []string {
+	var sl []string
+
+	for _, p := range strings.Split(s, ",") {
+		if str := strip(p); len(str) > 0 {
+			sl = append(sl, strip(p))
+		}
+	}
+
+	return sl
+}
+
+// Encode encodes an endpoint to endpoint metadata
+func Encode(e *Endpoint) map[string]string {
+	if e == nil {
+		return nil
+	}
+
+	return map[string]string{
+		"endpoint":    e.Name,
+		"description": e.Description,
+		"method":      strings.Join(e.Method, ","),
+		"path":        strings.Join(e.Path, ","),
+		"host":        strings.Join(e.Host, ","),
+		"handler":     e.Handler,
+	}
+}
+
+// Decode decodes endpoint metadata into an endpoint
+func Decode(e map[string]string) *Endpoint {
+	if e == nil {
+		return nil
+	}
+
+	return &Endpoint{
+		Name:        e["endpoint"],
+		Description: e["description"],
+		Method:      slice(e["method"]),
+		Path:        slice(e["path"]),
+		Host:        slice(e["host"]),
+		Handler:     e["handler"],
+	}
+}
+
+// Validate validates an endpoint to guarantee it won't blow up when being served
+func Validate(e *Endpoint) error {
+	if e == nil {
+		return errors.New("endpoint is nil")
+	}
+
+	if len(e.Name) == 0 {
+		return errors.New("name required")
+	}
+
+	for _, p := range e.Path {
+		_, err := regexp.CompilePOSIX(p)
+		if err != nil {
+			return err
+		}
+	}
+
+	if len(e.Handler) == 0 {
+		return errors.New("invalid handler")
+	}
+
+	return nil
+}
+
+/*
+Design ideas
+
+// Gateway is an api gateway interface
+type Gateway interface {
+	// Register a http handler
+	Handle(pattern string, http.Handler)
+	// Register a route
+	RegisterRoute(r Route)
+	// Init initialises the command line.
+	// It also parses further options.
+	Init(...Option) error
+	// Run the gateway
+	Run() error
+}
+
+// NewGateway returns a new api gateway
+func NewGateway() Gateway {
+	return newGateway()
+}
+*/
+
+// WithEndpoint returns a server.HandlerOption with endpoint metadata set
+//
+// Usage:
+//
+// 	proto.RegisterHandler(service.Server(), new(Handler), api.WithEndpoint(
+//		&api.Endpoint{
+//			Name: "Greeter.Hello",
+//			Path: []string{"/greeter"},
+//		},
+//	))
+func WithEndpoint(e *Endpoint) server.HandlerOption {
+	return server.EndpointMetadata(e.Name, Encode(e))
+}
--- a/api/api_test.go
+++ b/api/api_test.go
@@ -0,0 +1,113 @@
+package api
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestEncoding(t *testing.T) {
+	testData := []*Endpoint{
+		nil,
+		{
+			Name:        "Foo.Bar",
+			Description: "A test endpoint",
+			Handler:     "meta",
+			Host:        []string{"foo.com"},
+			Method:      []string{"GET"},
+			Path:        []string{"/test"},
+		},
+	}
+
+	compare := func(expect, got []string) bool {
+		// no data to compare, return true
+		if len(expect) == 0 && len(got) == 0 {
+			return true
+		}
+		// no data expected but got some return false
+		if len(expect) == 0 && len(got) > 0 {
+			return false
+		}
+
+		// compare expected with what we got
+		for _, e := range expect {
+			var seen bool
+			for _, g := range got {
+				if e == g {
+					seen = true
+					break
+				}
+			}
+			if !seen {
+				return false
+			}
+		}
+
+		// we're done, return true
+		return true
+	}
+
+	for _, d := range testData {
+		// encode
+		e := Encode(d)
+		// decode
+		de := Decode(e)
+
+		// nil endpoint returns nil
+		if d == nil {
+			if e != nil {
+				t.Fatalf("expected nil got %v", e)
+			}
+			if de != nil {
+				t.Fatalf("expected nil got %v", de)
+			}
+
+			continue
+		}
+
+		// check encoded map
+		name := e["endpoint"]
+		desc := e["description"]
+		method := strings.Split(e["method"], ",")
+		path := strings.Split(e["path"], ",")
+		host := strings.Split(e["host"], ",")
+		handler := e["handler"]
+
+		if name != d.Name {
+			t.Fatalf("expected %v got %v", d.Name, name)
+		}
+		if desc != d.Description {
+			t.Fatalf("expected %v got %v", d.Description, desc)
+		}
+		if handler != d.Handler {
+			t.Fatalf("expected %v got %v", d.Handler, handler)
+		}
+		if ok := compare(d.Method, method); !ok {
+			t.Fatalf("expected %v got %v", d.Method, method)
+		}
+		if ok := compare(d.Path, path); !ok {
+			t.Fatalf("expected %v got %v", d.Path, path)
+		}
+		if ok := compare(d.Host, host); !ok {
+			t.Fatalf("expected %v got %v", d.Host, host)
+		}
+
+		if de.Name != d.Name {
+			t.Fatalf("expected %v got %v", d.Name, de.Name)
+		}
+		if de.Description != d.Description {
+			t.Fatalf("expected %v got %v", d.Description, de.Description)
+		}
+		if de.Handler != d.Handler {
+			t.Fatalf("expected %v got %v", d.Handler, de.Handler)
+		}
+		if ok := compare(d.Method, de.Method); !ok {
+			t.Fatalf("expected %v got %v", d.Method, de.Method)
+		}
+		if ok := compare(d.Path, de.Path); !ok {
+			t.Fatalf("expected %v got %v", d.Path, de.Path)
+		}
+		if ok := compare(d.Host, de.Host); !ok {
+			t.Fatalf("expected %v got %v", d.Host, de.Host)
+		}
+	}
+}
--- a/api/handler/api/api.go
+++ b/api/handler/api/api.go
@@ -0,0 +1,117 @@
+// Package api provides an http-rpc handler which provides the entire http request over rpc
+package api
+
+import (
+	"net/http"
+
+	goapi "github.com/micro/go-micro/api"
+	"github.com/micro/go-micro/api/handler"
+	"github.com/micro/go-micro/client"
+	"github.com/micro/go-micro/errors"
+	"github.com/micro/go-micro/selector"
+	"github.com/micro/go-micro/util/ctx"
+	api "github.com/micro/micro/api/proto"
+)
+
+type apiHandler struct {
+	opts handler.Options
+	s    *goapi.Service
+}
+
+const (
+	Handler = "api"
+)
+
+// API handler is the default handler which takes api.Request and returns api.Response
+func (a *apiHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	request, err := requestToProto(r)
+	if err != nil {
+		er := errors.InternalServerError("go.micro.api", err.Error())
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(500)
+		w.Write([]byte(er.Error()))
+		return
+	}
+
+	var service *goapi.Service
+
+	if a.s != nil {
+		// we were given the service
+		service = a.s
+	} else if a.opts.Router != nil {
+		// try get service from router
+		s, err := a.opts.Router.Route(r)
+		if err != nil {
+			er := errors.InternalServerError("go.micro.api", err.Error())
+			w.Header().Set("Content-Type", "application/json")
+			w.WriteHeader(500)
+			w.Write([]byte(er.Error()))
+			return
+		}
+		service = s
+	} else {
+		// we have no way of routing the request
+		er := errors.InternalServerError("go.micro.api", "no route found")
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(500)
+		w.Write([]byte(er.Error()))
+		return
+	}
+
+	// create request and response
+	c := a.opts.Service.Client()
+	req := c.NewRequest(service.Name, service.Endpoint.Name, request)
+	rsp := &api.Response{}
+
+	// create the context from headers
+	cx := ctx.FromRequest(r)
+	// create strategy
+	so := selector.WithStrategy(strategy(service.Services))
+
+	if err := c.Call(cx, req, rsp, client.WithSelectOption(so)); err != nil {
+		w.Header().Set("Content-Type", "application/json")
+		ce := errors.Parse(err.Error())
+		switch ce.Code {
+		case 0:
+			w.WriteHeader(500)
+		default:
+			w.WriteHeader(int(ce.Code))
+		}
+		w.Write([]byte(ce.Error()))
+		return
+	} else if rsp.StatusCode == 0 {
+		rsp.StatusCode = http.StatusOK
+	}
+
+	for _, header := range rsp.GetHeader() {
+		for _, val := range header.Values {
+			w.Header().Add(header.Key, val)
+		}
+	}
+
+	if len(w.Header().Get("Content-Type")) == 0 {
+		w.Header().Set("Content-Type", "application/json")
+	}
+
+	w.WriteHeader(int(rsp.StatusCode))
+	w.Write([]byte(rsp.Body))
+}
+
+func (a *apiHandler) String() string {
+	return "api"
+}
+
+func NewHandler(opts ...handler.Option) handler.Handler {
+	options := handler.NewOptions(opts...)
+	return &apiHandler{
+		opts: options,
+	}
+}
+
+func WithService(s *goapi.Service, opts ...handler.Option) handler.Handler {
+	options := handler.NewOptions(opts...)
+	return &apiHandler{
+		opts: options,
+		s:    s,
+	}
+}
--- a/api/handler/api/util.go
+++ b/api/handler/api/util.go
@@ -0,0 +1,107 @@
+package api
+
+import (
+	"fmt"
+	"io/ioutil"
+	"mime"
+	"net"
+	"net/http"
+	"strings"
+
+	"github.com/micro/go-micro/registry"
+	"github.com/micro/go-micro/selector"
+	api "github.com/micro/micro/api/proto"
+)
+
+func requestToProto(r *http.Request) (*api.Request, error) {
+	if err := r.ParseForm(); err != nil {
+		return nil, fmt.Errorf("Error parsing form: %v", err)
+	}
+
+	req := &api.Request{
+		Path:   r.URL.Path,
+		Method: r.Method,
+		Header: make(map[string]*api.Pair),
+		Get:    make(map[string]*api.Pair),
+		Post:   make(map[string]*api.Pair),
+		Url:    r.URL.String(),
+	}
+
+	ct, _, err := mime.ParseMediaType(r.Header.Get("Content-Type"))
+	if err != nil {
+		ct = "application/x-www-form-urlencoded"
+		r.Header.Set("Content-Type", ct)
+	}
+
+	switch ct {
+	case "application/x-www-form-urlencoded":
+		// expect form vals
+	default:
+		data, _ := ioutil.ReadAll(r.Body)
+		req.Body = string(data)
+	}
+
+	// Set X-Forwarded-For if it does not exist
+	if ip, _, err := net.SplitHostPort(r.RemoteAddr); err == nil {
+		if prior, ok := r.Header["X-Forwarded-For"]; ok {
+			ip = strings.Join(prior, ", ") + ", " + ip
+		}
+
+		// Set the header
+		req.Header["X-Forwarded-For"] = &api.Pair{
+			Key:    "X-Forwarded-For",
+			Values: []string{ip},
+		}
+	}
+
+	// Host is stripped from net/http Headers so let's add it
+	req.Header["Host"] = &api.Pair{
+		Key:    "Host",
+		Values: []string{r.Host},
+	}
+
+	// Get data
+	for key, vals := range r.URL.Query() {
+		header, ok := req.Get[key]
+		if !ok {
+			header = &api.Pair{
+				Key: key,
+			}
+			req.Get[key] = header
+		}
+		header.Values = vals
+	}
+
+	// Post data
+	for key, vals := range r.PostForm {
+		header, ok := req.Post[key]
+		if !ok {
+			header = &api.Pair{
+				Key: key,
+			}
+			req.Post[key] = header
+		}
+		header.Values = vals
+	}
+
+	for key, vals := range r.Header {
+		header, ok := req.Header[key]
+		if !ok {
+			header = &api.Pair{
+				Key: key,
+			}
+			req.Header[key] = header
+		}
+		header.Values = vals
+	}
+
+	return req, nil
+}
+
+// strategy is a hack for selection
+func strategy(services []*registry.Service) selector.Strategy {
+	return func(_ []*registry.Service) selector.Next {
+		// ignore input to this function, use services above
+		return selector.Random(services)
+	}
+}
--- a/api/handler/api/util_test.go
+++ b/api/handler/api/util_test.go
@@ -0,0 +1,46 @@
+package api
+
+import (
+	"net/http"
+	"net/url"
+	"testing"
+)
+
+func TestRequestToProto(t *testing.T) {
+	testData := []*http.Request{
+		&http.Request{
+			Method: "GET",
+			Header: http.Header{
+				"Header": []string{"test"},
+			},
+			URL: &url.URL{
+				Scheme:   "http",
+				Host:     "localhost",
+				Path:     "/foo/bar",
+				RawQuery: "param1=value1",
+			},
+		},
+	}
+
+	for _, d := range testData {
+		p, err := requestToProto(d)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if p.Path != d.URL.Path {
+			t.Fatalf("Expected path %s got %s", d.URL.Path, p.Path)
+		}
+		if p.Method != d.Method {
+			t.Fatalf("Expected method %s got %s", d.Method, p.Method)
+		}
+		for k, v := range d.Header {
+			if val, ok := p.Header[k]; !ok {
+				t.Fatalf("Expected header %s", k)
+			} else {
+				if val.Values[0] != v[0] {
+					t.Fatalf("Expected val %s, got %s", val.Values[0], v[0])
+				}
+			}
+		}
+	}
+}
--- a/api/handler/broker/broker.go
+++ b/api/handler/broker/broker.go
@@ -0,0 +1,268 @@
+// Package broker provides a go-micro/broker handler
+package broker
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"net/http"
+	"net/url"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/gorilla/websocket"
+	"github.com/micro/go-micro/api/handler"
+	"github.com/micro/go-micro/broker"
+	"github.com/micro/go-micro/util/log"
+)
+
+const (
+	Handler = "broker"
+
+	pingTime      = (readDeadline * 9) / 10
+	readLimit     = 16384
+	readDeadline  = 60 * time.Second
+	writeDeadline = 10 * time.Second
+)
+
+type brokerHandler struct {
+	opts handler.Options
+	u    websocket.Upgrader
+}
+
+type conn struct {
+	b     broker.Broker
+	cType string
+	topic string
+	queue string
+	exit  chan bool
+
+	sync.Mutex
+	ws *websocket.Conn
+}
+
+var (
+	once        sync.Once
+	contentType = "text/plain"
+)
+
+func checkOrigin(r *http.Request) bool {
+	origin := r.Header["Origin"]
+	if len(origin) == 0 {
+		return true
+	}
+	u, err := url.Parse(origin[0])
+	if err != nil {
+		return false
+	}
+	return u.Host == r.Host
+}
+
+func (c *conn) close() {
+	select {
+	case <-c.exit:
+		return
+	default:
+		close(c.exit)
+	}
+}
+
+func (c *conn) readLoop() {
+	defer func() {
+		c.close()
+		c.ws.Close()
+	}()
+
+	// set read limit/deadline
+	c.ws.SetReadLimit(readLimit)
+	c.ws.SetReadDeadline(time.Now().Add(readDeadline))
+
+	// set close handler
+	ch := c.ws.CloseHandler()
+	c.ws.SetCloseHandler(func(code int, text string) error {
+		err := ch(code, text)
+		c.close()
+		return err
+	})
+
+	// set pong handler
+	c.ws.SetPongHandler(func(string) error {
+		c.ws.SetReadDeadline(time.Now().Add(readDeadline))
+		return nil
+	})
+
+	for {
+		_, message, err := c.ws.ReadMessage()
+		if err != nil {
+			return
+		}
+		c.b.Publish(c.topic, &broker.Message{
+			Header: map[string]string{"Content-Type": c.cType},
+			Body:   message,
+		})
+	}
+}
+
+func (c *conn) write(mType int, data []byte) error {
+	c.Lock()
+	c.ws.SetWriteDeadline(time.Now().Add(writeDeadline))
+	err := c.ws.WriteMessage(mType, data)
+	c.Unlock()
+	return err
+}
+
+func (c *conn) writeLoop() {
+	ticker := time.NewTicker(pingTime)
+
+	var opts []broker.SubscribeOption
+
+	if len(c.queue) > 0 {
+		opts = append(opts, broker.Queue(c.queue))
+	}
+
+	subscriber, err := c.b.Subscribe(c.topic, func(p broker.Publication) error {
+		b, err := json.Marshal(p.Message())
+		if err != nil {
+			return nil
+		}
+		return c.write(websocket.TextMessage, b)
+	}, opts...)
+
+	defer func() {
+		subscriber.Unsubscribe()
+		ticker.Stop()
+		c.ws.Close()
+	}()
+
+	if err != nil {
+		log.Log(err.Error())
+		return
+	}
+
+	for {
+		select {
+		case <-ticker.C:
+			if err := c.write(websocket.PingMessage, []byte{}); err != nil {
+				return
+			}
+		case <-c.exit:
+			return
+		}
+	}
+}
+
+func (b *brokerHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	br := b.opts.Service.Client().Options().Broker
+
+	// Setup the broker
+	once.Do(func() {
+		br.Init()
+		br.Connect()
+	})
+
+	// Parse
+	r.ParseForm()
+	topic := r.Form.Get("topic")
+
+	// Can't do anything without a topic
+	if len(topic) == 0 {
+		http.Error(w, "Topic not specified", 400)
+		return
+	}
+
+	// Post assumed to be Publish
+	if r.Method == "POST" {
+		// Create a broker message
+		msg := &broker.Message{
+			Header: make(map[string]string),
+		}
+
+		// Set header
+		for k, v := range r.Header {
+			msg.Header[k] = strings.Join(v, ", ")
+		}
+
+		// Read body
+		b, err := ioutil.ReadAll(r.Body)
+		if err != nil {
+			http.Error(w, err.Error(), 500)
+			return
+		}
+
+		// Set body
+		msg.Body = b
+
+		// Publish
+		br.Publish(topic, msg)
+		return
+	}
+
+	// now back to our regularly scheduled programming
+
+	if r.Method != "GET" {
+		http.Error(w, "Method not allowed", 405)
+		return
+	}
+
+	queue := r.Form.Get("queue")
+
+	ws, err := b.u.Upgrade(w, r, nil)
+	if err != nil {
+		log.Log(err.Error())
+		return
+	}
+
+	cType := r.Header.Get("Content-Type")
+	if len(cType) == 0 {
+		cType = contentType
+	}
+
+	c := &conn{
+		b:     br,
+		cType: cType,
+		topic: topic,
+		queue: queue,
+		exit:  make(chan bool),
+		ws:    ws,
+	}
+
+	go c.writeLoop()
+	c.readLoop()
+}
+
+func (b *brokerHandler) String() string {
+	return "broker"
+}
+
+func NewHandler(opts ...handler.Option) handler.Handler {
+	return &brokerHandler{
+		u: websocket.Upgrader{
+			CheckOrigin: func(r *http.Request) bool {
+				return true
+			},
+			ReadBufferSize:  1024,
+			WriteBufferSize: 1024,
+		},
+		opts: handler.NewOptions(opts...),
+	}
+}
+
+func WithCors(cors map[string]bool, opts ...handler.Option) handler.Handler {
+	return &brokerHandler{
+		u: websocket.Upgrader{
+			CheckOrigin: func(r *http.Request) bool {
+				if origin := r.Header.Get("Origin"); cors[origin] {
+					return true
+				} else if len(origin) > 0 && cors["*"] {
+					return true
+				} else if checkOrigin(r) {
+					return true
+				}
+				return false
+			},
+			ReadBufferSize:  1024,
+			WriteBufferSize: 1024,
+		},
+		opts: handler.NewOptions(opts...),
+	}
+}
--- a/api/handler/cloudevents/cloudevents.go
+++ b/api/handler/cloudevents/cloudevents.go
@@ -0,0 +1,94 @@
+// Package cloudevents provides a cloudevents handler publishing the event using the go-micro/client
+package cloudevents
+
+import (
+	"net/http"
+	"path"
+	"regexp"
+	"strings"
+
+	"github.com/micro/go-micro/api/handler"
+	"github.com/micro/go-micro/util/ctx"
+)
+
+type event struct {
+	options handler.Options
+}
+
+var (
+	Handler   = "cloudevents"
+	versionRe = regexp.MustCompilePOSIX("^v[0-9]+$")
+)
+
+func eventName(parts []string) string {
+	return strings.Join(parts, ".")
+}
+
+func evRoute(ns, p string) (string, string) {
+	p = path.Clean(p)
+	p = strings.TrimPrefix(p, "/")
+
+	if len(p) == 0 {
+		return ns, "event"
+	}
+
+	parts := strings.Split(p, "/")
+
+	// no path
+	if len(parts) == 0 {
+		// topic: namespace
+		// action: event
+		return strings.Trim(ns, "."), "event"
+	}
+
+	// Treat /v[0-9]+ as versioning
+	// /v1/foo/bar => topic: v1.foo action: bar
+	if len(parts) >= 2 && versionRe.Match([]byte(parts[0])) {
+		topic := ns + "." + strings.Join(parts[:2], ".")
+		action := eventName(parts[1:])
+		return topic, action
+	}
+
+	// /foo => topic: ns.foo action: foo
+	// /foo/bar => topic: ns.foo action: bar
+	topic := ns + "." + strings.Join(parts[:1], ".")
+	action := eventName(parts[1:])
+
+	return topic, action
+}
+
+func (e *event) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	// request to topic:event
+	// create event
+	// publish to topic
+	topic, _ := evRoute(e.options.Namespace, r.URL.Path)
+
+	// create event
+	ev, err := FromRequest(r)
+	if err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+
+	// get client
+	c := e.options.Service.Client()
+
+	// create publication
+	p := c.NewMessage(topic, ev)
+
+	// publish event
+	if err := c.Publish(ctx.FromRequest(r), p); err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+}
+
+func (e *event) String() string {
+	return "cloudevents"
+}
+
+func NewHandler(opts ...handler.Option) handler.Handler {
+	return &event{
+		options: handler.NewOptions(opts...),
+	}
+}
--- a/api/handler/cloudevents/event.go
+++ b/api/handler/cloudevents/event.go
@@ -0,0 +1,282 @@
+/*
+ * From: https://github.com/serverless/event-gateway/blob/master/event/event.go
+ * Modified: Strip to handler requirements
+ *
+ * Copyright 2017 Serverless, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package cloudevents
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"mime"
+	"net/http"
+	"strings"
+	"time"
+	"unicode"
+
+	"github.com/pborman/uuid"
+	"gopkg.in/go-playground/validator.v9"
+)
+
+const (
+	// TransformationVersion is indicative of the revision of how Event Gateway transforms a request into CloudEvents format.
+	TransformationVersion = "0.1"
+
+	// CloudEventsVersion currently supported by Event Gateway
+	CloudEventsVersion = "0.1"
+)
+
+// Event is a default event structure. All data that passes through the Event Gateway
+// is formatted to a format defined CloudEvents v0.1 spec.
+type Event struct {
+	EventType          string                 `json:"eventType" validate:"required"`
+	EventTypeVersion   string                 `json:"eventTypeVersion,omitempty"`
+	CloudEventsVersion string                 `json:"cloudEventsVersion" validate:"required"`
+	Source             string                 `json:"source" validate:"uri,required"`
+	EventID            string                 `json:"eventID" validate:"required"`
+	EventTime          *time.Time             `json:"eventTime,omitempty"`
+	SchemaURL          string                 `json:"schemaURL,omitempty"`
+	Extensions         map[string]interface{} `json:"extensions,omitempty"`
+	ContentType        string                 `json:"contentType,omitempty"`
+	Data               interface{}            `json:"data"`
+}
+
+// New return new instance of Event.
+func New(eventType string, mimeType string, payload interface{}) *Event {
+	now := time.Now()
+
+	event := &Event{
+		EventType:          eventType,
+		CloudEventsVersion: CloudEventsVersion,
+		Source:             "https://micro.mu",
+		EventID:            uuid.NewUUID().String(),
+		EventTime:          &now,
+		ContentType:        mimeType,
+		Data:               payload,
+		Extensions: map[string]interface{}{
+			"eventgateway": map[string]interface{}{
+				"transformed":            "true",
+				"transformation-version": TransformationVersion,
+			},
+		},
+	}
+
+	event.Data = normalizePayload(event.Data, event.ContentType)
+	return event
+}
+
+// FromRequest takes an HTTP request and returns an Event along with path. Most of the implementation
+// is based on https://github.com/cloudevents/spec/blob/master/http-transport-binding.md.
+// This function also supports legacy mode where event type is sent in Event header.
+func FromRequest(r *http.Request) (*Event, error) {
+	contentType := r.Header.Get("Content-Type")
+	mimeType, _, err := mime.ParseMediaType(contentType)
+	if err != nil {
+		if err.Error() != "mime: no media type" {
+			return nil, err
+		}
+		mimeType = "application/octet-stream"
+	}
+	// Read request body
+	body := []byte{}
+	if r.Body != nil {
+		body, err = ioutil.ReadAll(r.Body)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	var event *Event
+	if mimeType == mimeCloudEventsJSON { // CloudEvents Structured Content Mode
+		return parseAsCloudEvent(mimeType, body)
+	} else if isCloudEventsBinaryContentMode(r.Header) { // CloudEvents Binary Content Mode
+		return parseAsCloudEventBinary(r.Header, body)
+	} else if isLegacyMode(r.Header) {
+		if mimeType == mimeJSON { // CloudEvent in Legacy Mode
+			event, err = parseAsCloudEvent(mimeType, body)
+			if err != nil {
+				return New(string(r.Header.Get("event")), mimeType, body), nil
+			}
+			return event, err
+		}
+
+		return New(string(r.Header.Get("event")), mimeType, body), nil
+	}
+
+	return New("http.request", mimeJSON, newHTTPRequestData(r, body)), nil
+}
+
+// Validate Event struct
+func (e *Event) Validate() error {
+	validate := validator.New()
+	err := validate.Struct(e)
+	if err != nil {
+		return fmt.Errorf("CloudEvent not valid: %v", err)
+	}
+	return nil
+}
+
+func isLegacyMode(headers http.Header) bool {
+	if headers.Get("Event") != "" {
+		return true
+	}
+
+	return false
+}
+
+func isCloudEventsBinaryContentMode(headers http.Header) bool {
+	if headers.Get("CE-EventType") != "" &&
+		headers.Get("CE-CloudEventsVersion") != "" &&
+		headers.Get("CE-Source") != "" &&
+		headers.Get("CE-EventID") != "" {
+		return true
+	}
+
+	return false
+}
+
+func parseAsCloudEventBinary(headers http.Header, payload interface{}) (*Event, error) {
+	event := &Event{
+		EventType:          headers.Get("CE-EventType"),
+		EventTypeVersion:   headers.Get("CE-EventTypeVersion"),
+		CloudEventsVersion: headers.Get("CE-CloudEventsVersion"),
+		Source:             headers.Get("CE-Source"),
+		EventID:            headers.Get("CE-EventID"),
+		ContentType:        headers.Get("Content-Type"),
+		Data:               payload,
+	}
+
+	err := event.Validate()
+	if err != nil {
+		return nil, err
+	}
+
+	if headers.Get("CE-EventTime") != "" {
+		val, err := time.Parse(time.RFC3339, headers.Get("CE-EventTime"))
+		if err != nil {
+			return nil, err
+		}
+		event.EventTime = &val
+	}
+
+	if val := headers.Get("CE-SchemaURL"); len(val) > 0 {
+		event.SchemaURL = val
+	}
+
+	event.Extensions = map[string]interface{}{}
+	for key, val := range flatten(headers) {
+		if strings.HasPrefix(key, "Ce-X-") {
+			key = strings.TrimLeft(key, "Ce-X-")
+			// Make first character lowercase
+			runes := []rune(key)
+			runes[0] = unicode.ToLower(runes[0])
+			event.Extensions[string(runes)] = val
+		}
+	}
+
+	event.Data = normalizePayload(event.Data, event.ContentType)
+	return event, nil
+}
+
+func flatten(h http.Header) map[string]string {
+	headers := map[string]string{}
+	for key, header := range h {
+		headers[key] = header[0]
+		if len(header) > 1 {
+			headers[key] = strings.Join(header, ", ")
+		}
+	}
+	return headers
+}
+
+func parseAsCloudEvent(mime string, payload interface{}) (*Event, error) {
+	body, ok := payload.([]byte)
+	if ok {
+		event := &Event{}
+		err := json.Unmarshal(body, event)
+		if err != nil {
+			return nil, err
+		}
+
+		err = event.Validate()
+		if err != nil {
+			return nil, err
+		}
+
+		event.Data = normalizePayload(event.Data, event.ContentType)
+		return event, nil
+	}
+
+	return nil, errors.New("couldn't cast to []byte")
+}
+
+const (
+	mimeJSON            = "application/json"
+	mimeFormMultipart   = "multipart/form-data"
+	mimeFormURLEncoded  = "application/x-www-form-urlencoded"
+	mimeCloudEventsJSON = "application/cloudevents+json"
+)
+
+// normalizePayload takes anything, checks if it's []byte array and depending on provided mime
+// type converts it to either string or map[string]interface to avoid having base64 string after
+// JSON marshaling.
+func normalizePayload(payload interface{}, mime string) interface{} {
+	if bytePayload, ok := payload.([]byte); ok && len(bytePayload) > 0 {
+		switch {
+		case mime == mimeJSON || strings.HasSuffix(mime, "+json"):
+			var result map[string]interface{}
+			err := json.Unmarshal(bytePayload, &result)
+			if err != nil {
+				return payload
+			}
+			return result
+		case strings.HasPrefix(mime, mimeFormMultipart), mime == mimeFormURLEncoded:
+			return string(bytePayload)
+		}
+	}
+
+	return payload
+}
+
+// HTTPRequestData is a event schema used for sending events to HTTP subscriptions.
+type HTTPRequestData struct {
+	Headers map[string]string   `json:"headers"`
+	Query   map[string][]string `json:"query"`
+	Body    interface{}         `json:"body"`
+	Host    string              `json:"host"`
+	Path    string              `json:"path"`
+	Method  string              `json:"method"`
+	Params  map[string]string   `json:"params"`
+}
+
+// NewHTTPRequestData returns a new instance of HTTPRequestData
+func newHTTPRequestData(r *http.Request, eventData interface{}) *HTTPRequestData {
+	req := &HTTPRequestData{
+		Headers: flatten(r.Header),
+		Query:   r.URL.Query(),
+		Body:    eventData,
+		Host:    r.Host,
+		Path:    r.URL.Path,
+		Method:  r.Method,
+	}
+
+	req.Body = normalizePayload(req.Body, r.Header.Get("content-type"))
+	return req
+}
--- a/api/handler/event/event.go
+++ b/api/handler/event/event.go
@@ -0,0 +1,122 @@
+// Package event provides a handler which publishes an event
+package event
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"path"
+	"regexp"
+	"strings"
+	"time"
+
+	"github.com/micro/go-micro/api/handler"
+	proto "github.com/micro/go-micro/api/proto"
+	"github.com/micro/go-micro/util/ctx"
+	"github.com/pborman/uuid"
+)
+
+type event struct {
+	options handler.Options
+}
+
+var (
+	Handler   = "event"
+	versionRe = regexp.MustCompilePOSIX("^v[0-9]+$")
+)
+
+func eventName(parts []string) string {
+	return strings.Join(parts, ".")
+}
+
+func evRoute(ns, p string) (string, string) {
+	p = path.Clean(p)
+	p = strings.TrimPrefix(p, "/")
+
+	if len(p) == 0 {
+		return ns, "event"
+	}
+
+	parts := strings.Split(p, "/")
+
+	// no path
+	if len(parts) == 0 {
+		// topic: namespace
+		// action: event
+		return strings.Trim(ns, "."), "event"
+	}
+
+	// Treat /v[0-9]+ as versioning
+	// /v1/foo/bar => topic: v1.foo action: bar
+	if len(parts) >= 2 && versionRe.Match([]byte(parts[0])) {
+		topic := ns + "." + strings.Join(parts[:2], ".")
+		action := eventName(parts[1:])
+		return topic, action
+	}
+
+	// /foo => topic: ns.foo action: foo
+	// /foo/bar => topic: ns.foo action: bar
+	topic := ns + "." + strings.Join(parts[:1], ".")
+	action := eventName(parts[1:])
+
+	return topic, action
+}
+
+func (e *event) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	// request to topic:event
+	// create event
+	// publish to topic
+
+	topic, action := evRoute(e.options.Namespace, r.URL.Path)
+
+	// create event
+	ev := &proto.Event{
+		Name: action,
+		// TODO: dedupe event
+		Id:        fmt.Sprintf("%s-%s-%s", topic, action, uuid.NewUUID().String()),
+		Header:    make(map[string]*proto.Pair),
+		Timestamp: time.Now().Unix(),
+	}
+
+	// set headers
+	for key, vals := range r.Header {
+		header, ok := ev.Header[key]
+		if !ok {
+			header = &proto.Pair{
+				Key: key,
+			}
+			ev.Header[key] = header
+		}
+		header.Values = vals
+	}
+
+	// set body
+	b, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+	ev.Data = string(b)
+
+	// get client
+	c := e.options.Service.Client()
+
+	// create publication
+	p := c.NewMessage(topic, ev)
+
+	// publish event
+	if err := c.Publish(ctx.FromRequest(r), p); err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+}
+
+func (e *event) String() string {
+	return "event"
+}
+
+func NewHandler(opts ...handler.Option) handler.Handler {
+	return &event{
+		options: handler.NewOptions(opts...),
+	}
+}
--- a/api/handler/file/file.go
+++ b/api/handler/file/file.go
@@ -0,0 +1,16 @@
+// Package file serves file relative to the current directory
+package file
+
+import (
+	"net/http"
+)
+
+type Handler struct{}
+
+func (h *Handler) Serve(w http.ResponseWriter, r *http.Request) {
+	http.ServeFile(w, r, "."+r.URL.Path)
+}
+
+func (h *Handler) String() string {
+	return "file"
+}
--- a/api/handler/handler.go
+++ b/api/handler/handler.go
@@ -0,0 +1,14 @@
+// Package handler provides http handlers
+package handler
+
+import (
+	"net/http"
+)
+
+// Handler represents a HTTP handler that manages a request
+type Handler interface {
+	// standard http handler
+	http.Handler
+	// name of handler
+	String() string
+}
--- a/api/handler/http/http.go
+++ b/api/handler/http/http.go
@@ -0,0 +1,100 @@
+// Package http is a http reverse proxy handler
+package http
+
+import (
+	"errors"
+	"fmt"
+	"net/http"
+	"net/http/httputil"
+	"net/url"
+
+	"github.com/micro/go-micro/api"
+	"github.com/micro/go-micro/api/handler"
+	"github.com/micro/go-micro/selector"
+)
+
+const (
+	Handler = "http"
+)
+
+type httpHandler struct {
+	options handler.Options
+
+	// set with different initialiser
+	s *api.Service
+}
+
+func (h *httpHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	service, err := h.getService(r)
+	if err != nil {
+		w.WriteHeader(500)
+		return
+	}
+
+	if len(service) == 0 {
+		w.WriteHeader(404)
+		return
+	}
+
+	rp, err := url.Parse(service)
+	if err != nil {
+		w.WriteHeader(500)
+		return
+	}
+
+	httputil.NewSingleHostReverseProxy(rp).ServeHTTP(w, r)
+}
+
+// getService returns the service for this request from the selector
+func (h *httpHandler) getService(r *http.Request) (string, error) {
+	var service *api.Service
+
+	if h.s != nil {
+		// we were given the service
+		service = h.s
+	} else if h.options.Router != nil {
+		// try get service from router
+		s, err := h.options.Router.Route(r)
+		if err != nil {
+			return "", err
+		}
+		service = s
+	} else {
+		// we have no way of routing the request
+		return "", errors.New("no route found")
+	}
+
+	// create a random selector
+	next := selector.Random(service.Services)
+
+	// get the next node
+	s, err := next()
+	if err != nil {
+		return "", nil
+	}
+
+	return fmt.Sprintf("http://%s:%d", s.Address, s.Port), nil
+}
+
+func (h *httpHandler) String() string {
+	return "http"
+}
+
+// NewHandler returns a http proxy handler
+func NewHandler(opts ...handler.Option) handler.Handler {
+	options := handler.NewOptions(opts...)
+
+	return &httpHandler{
+		options: options,
+	}
+}
+
+// WithService creates a handler with a service
+func WithService(s *api.Service, opts ...handler.Option) handler.Handler {
+	options := handler.NewOptions(opts...)
+
+	return &httpHandler{
+		options: options,
+		s:       s,
+	}
+}
--- a/api/handler/http/http_test.go
+++ b/api/handler/http/http_test.go
@@ -0,0 +1,133 @@
+package http
+
+import (
+	"net"
+	"net/http"
+	"net/http/httptest"
+	"strconv"
+	"strings"
+	"testing"
+
+	"github.com/micro/go-micro/api/handler"
+	"github.com/micro/go-micro/api/router"
+	regRouter "github.com/micro/go-micro/api/router/registry"
+	"github.com/micro/go-micro/cmd"
+	"github.com/micro/go-micro/registry"
+	"github.com/micro/go-micro/registry/memory"
+)
+
+func testHttp(t *testing.T, path, service, ns string) {
+	r := memory.NewRegistry()
+	cmd.DefaultCmd = cmd.NewCmd(cmd.Registry(&r))
+
+	l, err := net.Listen("tcp", "127.0.0.1:0")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer l.Close()
+
+	parts := strings.Split(l.Addr().String(), ":")
+
+	var host string
+	var port int
+
+	host = parts[0]
+	port, _ = strconv.Atoi(parts[1])
+
+	s := &registry.Service{
+		Name: service,
+		Nodes: []*registry.Node{
+			&registry.Node{
+				Id:      service + "-1",
+				Address: host,
+				Port:    port,
+			},
+		},
+	}
+
+	r.Register(s)
+	defer r.Deregister(s)
+
+	// setup the test handler
+	m := http.NewServeMux()
+	m.HandleFunc(path, func(w http.ResponseWriter, r *http.Request) {
+		w.Write([]byte(`you got served`))
+	})
+
+	// start http test serve
+	go http.Serve(l, m)
+
+	// create new request and writer
+	w := httptest.NewRecorder()
+	req, err := http.NewRequest("POST", path, nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// initialise the handler
+	rt := regRouter.NewRouter(
+		router.WithHandler("http"),
+		router.WithNamespace(ns),
+	)
+
+	p := NewHandler(handler.WithRouter(rt))
+
+	// execute the handler
+	p.ServeHTTP(w, req)
+
+	if w.Code != 200 {
+		t.Fatalf("Expected 200 response got %d %s", w.Code, w.Body.String())
+	}
+
+	if w.Body.String() != "you got served" {
+		t.Fatalf("Expected body: you got served. Got: %s", w.Body.String())
+	}
+}
+
+func TestHttpHandler(t *testing.T) {
+	testData := []struct {
+		path      string
+		service   string
+		namespace string
+	}{
+		{
+			"/test/foo",
+			"go.micro.api.test",
+			"go.micro.api",
+		},
+		{
+			"/test/foo/baz",
+			"go.micro.api.test",
+			"go.micro.api",
+		},
+		{
+			"/v1/foo",
+			"go.micro.api.v1.foo",
+			"go.micro.api",
+		},
+		{
+			"/v1/foo/bar",
+			"go.micro.api.v1.foo",
+			"go.micro.api",
+		},
+		{
+			"/v2/baz",
+			"go.micro.api.v2.baz",
+			"go.micro.api",
+		},
+		{
+			"/v2/baz/bar",
+			"go.micro.api.v2.baz",
+			"go.micro.api",
+		},
+		{
+			"/v2/baz/bar",
+			"v2.baz",
+			"",
+		},
+	}
+
+	for _, d := range testData {
+		testHttp(t, d.path, d.service, d.namespace)
+	}
+}
--- a/api/handler/options.go
+++ b/api/handler/options.go
@@ -0,0 +1,55 @@
+package handler
+
+import (
+	"github.com/micro/go-micro"
+	"github.com/micro/go-micro/api/router"
+)
+
+type Options struct {
+	Namespace string
+	Router    router.Router
+	Service   micro.Service
+}
+
+type Option func(o *Options)
+
+// NewOptions fills in the blanks
+func NewOptions(opts ...Option) Options {
+	var options Options
+	for _, o := range opts {
+		o(&options)
+	}
+
+	// create service if its blank
+	if options.Service == nil {
+		WithService(micro.NewService())(&options)
+	}
+
+	// set namespace if blank
+	if len(options.Namespace) == 0 {
+		WithNamespace("go.micro.api")(&options)
+	}
+
+	return options
+}
+
+// WithNamespace specifies the namespace for the handler
+func WithNamespace(s string) Option {
+	return func(o *Options) {
+		o.Namespace = s
+	}
+}
+
+// WithRouter specifies a router to be used by the handler
+func WithRouter(r router.Router) Option {
+	return func(o *Options) {
+		o.Router = r
+	}
+}
+
+// WithService specifies a micro.Service
+func WithService(s micro.Service) Option {
+	return func(o *Options) {
+		o.Service = s
+	}
+}
--- a/api/handler/registry/registry.go
+++ b/api/handler/registry/registry.go
@@ -0,0 +1,211 @@
+// Package registry is a go-micro/registry handler
+package registry
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"net/http"
+	"strconv"
+	"time"
+
+	"github.com/gorilla/websocket"
+	"github.com/micro/go-micro/api/handler"
+	"github.com/micro/go-micro/registry"
+)
+
+const (
+	Handler = "registry"
+
+	pingTime      = (readDeadline * 9) / 10
+	readLimit     = 16384
+	readDeadline  = 60 * time.Second
+	writeDeadline = 10 * time.Second
+)
+
+type registryHandler struct {
+	opts handler.Options
+	reg  registry.Registry
+}
+
+func (rh *registryHandler) add(w http.ResponseWriter, r *http.Request) {
+	r.ParseForm()
+	b, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+	defer r.Body.Close()
+
+	var opts []registry.RegisterOption
+
+	// parse ttl
+	if ttl := r.Form.Get("ttl"); len(ttl) > 0 {
+		d, err := time.ParseDuration(ttl)
+		if err == nil {
+			opts = append(opts, registry.RegisterTTL(d))
+		}
+	}
+
+	var service *registry.Service
+	err = json.Unmarshal(b, &service)
+	if err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+	err = rh.reg.Register(service, opts...)
+	if err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+}
+
+func (rh *registryHandler) del(w http.ResponseWriter, r *http.Request) {
+	r.ParseForm()
+	b, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+	defer r.Body.Close()
+
+	var service *registry.Service
+	err = json.Unmarshal(b, &service)
+	if err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+	err = rh.reg.Deregister(service)
+	if err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+}
+
+func (rh *registryHandler) get(w http.ResponseWriter, r *http.Request) {
+	r.ParseForm()
+	service := r.Form.Get("service")
+
+	var s []*registry.Service
+	var err error
+
+	if len(service) == 0 {
+		//
+		upgrade := r.Header.Get("Upgrade")
+		connect := r.Header.Get("Connection")
+
+		// watch if websockets
+		if upgrade == "websocket" && connect == "Upgrade" {
+			rw, err := rh.reg.Watch()
+			if err != nil {
+				http.Error(w, err.Error(), 500)
+				return
+			}
+			watch(rw, w, r)
+			return
+		}
+
+		// otherwise list services
+		s, err = rh.reg.ListServices()
+	} else {
+		s, err = rh.reg.GetService(service)
+	}
+
+	if err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+
+	if s == nil || (len(service) > 0 && (len(s) == 0 || len(s[0].Name) == 0)) {
+		http.Error(w, "Service not found", 404)
+		return
+	}
+
+	b, err := json.Marshal(s)
+	if err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.Header().Set("Content-Length", strconv.Itoa(len(b)))
+	w.Write(b)
+}
+
+func ping(ws *websocket.Conn, exit chan bool) {
+	ticker := time.NewTicker(pingTime)
+
+	for {
+		select {
+		case <-ticker.C:
+			ws.SetWriteDeadline(time.Now().Add(writeDeadline))
+			err := ws.WriteMessage(websocket.PingMessage, []byte{})
+			if err != nil {
+				return
+			}
+		case <-exit:
+			return
+		}
+	}
+}
+
+func watch(rw registry.Watcher, w http.ResponseWriter, r *http.Request) {
+	upgrader := websocket.Upgrader{
+		ReadBufferSize:  1024,
+		WriteBufferSize: 1024,
+	}
+
+	ws, err := upgrader.Upgrade(w, r, nil)
+	if err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+
+	// we need an exit chan
+	exit := make(chan bool)
+
+	defer func() {
+		close(exit)
+	}()
+
+	// ping the socket
+	go ping(ws, exit)
+
+	for {
+		// get next result
+		r, err := rw.Next()
+		if err != nil {
+			http.Error(w, err.Error(), 500)
+			return
+		}
+
+		// write to client
+		ws.SetWriteDeadline(time.Now().Add(writeDeadline))
+		if err := ws.WriteJSON(r); err != nil {
+			return
+		}
+	}
+}
+
+func (rh *registryHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	switch r.Method {
+	case "GET":
+		rh.get(w, r)
+	case "POST":
+		rh.add(w, r)
+	case "DELETE":
+		rh.del(w, r)
+	}
+}
+
+func (rh *registryHandler) String() string {
+	return "registry"
+}
+
+func NewHandler(opts ...handler.Option) handler.Handler {
+	options := handler.NewOptions(opts...)
+
+	return &registryHandler{
+		opts: options,
+		reg:  options.Service.Client().Options().Registry,
+	}
+}
--- a/api/handler/rpc/rpc.go
+++ b/api/handler/rpc/rpc.go
@@ -0,0 +1,307 @@
+// Package rpc is a go-micro rpc handler.
+package rpc
+
+import (
+	"encoding/json"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"strconv"
+	"strings"
+
+	"github.com/joncalhoun/qson"
+	"github.com/micro/go-micro/api"
+	"github.com/micro/go-micro/api/handler"
+	proto "github.com/micro/go-micro/api/internal/proto"
+	"github.com/micro/go-micro/client"
+	"github.com/micro/go-micro/codec"
+	"github.com/micro/go-micro/codec/jsonrpc"
+	"github.com/micro/go-micro/codec/protorpc"
+	"github.com/micro/go-micro/errors"
+	"github.com/micro/go-micro/registry"
+	"github.com/micro/go-micro/selector"
+	"github.com/micro/go-micro/util/ctx"
+)
+
+const (
+	Handler = "rpc"
+)
+
+var (
+	// supported json codecs
+	jsonCodecs = []string{
+		"application/grpc+json",
+		"application/json",
+		"application/json-rpc",
+	}
+
+	// support proto codecs
+	protoCodecs = []string{
+		"application/grpc",
+		"application/grpc+proto",
+		"application/proto",
+		"application/protobuf",
+		"application/proto-rpc",
+		"application/octet-stream",
+	}
+)
+
+type rpcHandler struct {
+	opts handler.Options
+	s    *api.Service
+}
+
+type buffer struct {
+	io.ReadCloser
+}
+
+func (b *buffer) Write(_ []byte) (int, error) {
+	return 0, nil
+}
+
+// strategy is a hack for selection
+func strategy(services []*registry.Service) selector.Strategy {
+	return func(_ []*registry.Service) selector.Next {
+		// ignore input to this function, use services above
+		return selector.Random(services)
+	}
+}
+
+func (h *rpcHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	defer r.Body.Close()
+	var service *api.Service
+
+	if h.s != nil {
+		// we were given the service
+		service = h.s
+	} else if h.opts.Router != nil {
+		// try get service from router
+		s, err := h.opts.Router.Route(r)
+		if err != nil {
+			writeError(w, r, errors.InternalServerError("go.micro.api", err.Error()))
+			return
+		}
+		service = s
+	} else {
+		// we have no way of routing the request
+		writeError(w, r, errors.InternalServerError("go.micro.api", "no route found"))
+		return
+	}
+
+	// only allow post when we have the router
+	if r.Method != "GET" && (h.opts.Router != nil && r.Method != "POST") {
+		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+
+	ct := r.Header.Get("Content-Type")
+
+	// Strip charset from Content-Type (like `application/json; charset=UTF-8`)
+	if idx := strings.IndexRune(ct, ';'); idx >= 0 {
+		ct = ct[:idx]
+	}
+
+	// micro client
+	c := h.opts.Service.Client()
+
+	// create strategy
+	so := selector.WithStrategy(strategy(service.Services))
+
+	// get payload
+	br, err := requestPayload(r)
+	if err != nil {
+		writeError(w, r, err)
+		return
+	}
+
+	// create context
+	cx := ctx.FromRequest(r)
+
+	var rsp []byte
+
+	switch {
+	// json codecs
+	case hasCodec(ct, jsonCodecs):
+		var request json.RawMessage
+		// if the extracted payload isn't empty lets use it
+		if len(br) > 0 {
+			request = json.RawMessage(br)
+		}
+
+		// create request/response
+		var response json.RawMessage
+
+		req := c.NewRequest(
+			service.Name,
+			service.Endpoint.Name,
+			&request,
+			client.WithContentType(ct),
+		)
+
+		// make the call
+		if err := c.Call(cx, req, &response, client.WithSelectOption(so)); err != nil {
+			writeError(w, r, err)
+			return
+		}
+
+		// marshall response
+		rsp, _ = response.MarshalJSON()
+	// proto codecs
+	case hasCodec(ct, protoCodecs):
+		request := &proto.Message{}
+		// if the extracted payload isn't empty lets use it
+		if len(br) > 0 {
+			request = proto.NewMessage(br)
+		}
+
+		// create request/response
+		response := &proto.Message{}
+
+		req := c.NewRequest(
+			service.Name,
+			service.Endpoint.Name,
+			request,
+			client.WithContentType(ct),
+		)
+
+		// make the call
+		if err := c.Call(cx, req, response, client.WithSelectOption(so)); err != nil {
+			writeError(w, r, err)
+			return
+		}
+
+		// marshall response
+		rsp, _ = response.Marshal()
+	default:
+		http.Error(w, "Unsupported Content-Type", 400)
+		return
+	}
+
+	// write the response
+	writeResponse(w, r, rsp)
+}
+
+func (rh *rpcHandler) String() string {
+	return "rpc"
+}
+
+func hasCodec(ct string, codecs []string) bool {
+	for _, codec := range codecs {
+		if ct == codec {
+			return true
+		}
+	}
+	return false
+}
+
+// requestPayload takes a *http.Request.
+// If the request is a GET the query string parameters are extracted and marshaled to JSON and the raw bytes are returned.
+// If the request method is a POST the request body is read and returned
+func requestPayload(r *http.Request) ([]byte, error) {
+	// we have to decode json-rpc and proto-rpc because we suck
+	// well actually because there's no proxy codec right now
+	switch r.Header.Get("Content-Type") {
+	case "application/json-rpc":
+		msg := codec.Message{
+			Type:   codec.Request,
+			Header: make(map[string]string),
+		}
+		c := jsonrpc.NewCodec(&buffer{r.Body})
+		if err := c.ReadHeader(&msg, codec.Request); err != nil {
+			return nil, err
+		}
+		var raw json.RawMessage
+		if err := c.ReadBody(&raw); err != nil {
+			return nil, err
+		}
+		return ([]byte)(raw), nil
+	case "application/proto-rpc", "application/octet-stream":
+		msg := codec.Message{
+			Type:   codec.Request,
+			Header: make(map[string]string),
+		}
+		c := protorpc.NewCodec(&buffer{r.Body})
+		if err := c.ReadHeader(&msg, codec.Request); err != nil {
+			return nil, err
+		}
+		var raw proto.Message
+		if err := c.ReadBody(&raw); err != nil {
+			return nil, err
+		}
+		b, _ := raw.Marshal()
+		return b, nil
+	}
+
+	// otherwise as per usual
+
+	switch r.Method {
+	case "GET":
+		if len(r.URL.RawQuery) > 0 {
+			return qson.ToJSON(r.URL.RawQuery)
+		}
+	case "PATCH", "POST":
+		return ioutil.ReadAll(r.Body)
+	}
+
+	return []byte{}, nil
+}
+
+func writeError(w http.ResponseWriter, r *http.Request, err error) {
+	ce := errors.Parse(err.Error())
+
+	switch ce.Code {
+	case 0:
+		// assuming it's totally screwed
+		ce.Code = 500
+		ce.Id = "go.micro.api"
+		ce.Status = http.StatusText(500)
+		ce.Detail = "error during request: " + ce.Detail
+		w.WriteHeader(500)
+	default:
+		w.WriteHeader(int(ce.Code))
+	}
+
+	// response content type
+	w.Header().Set("Content-Type", "application/json")
+
+	// Set trailers
+	if strings.Contains(r.Header.Get("Content-Type"), "application/grpc") {
+		w.Header().Set("Trailer", "grpc-status")
+		w.Header().Set("Trailer", "grpc-message")
+		w.Header().Set("grpc-status", "13")
+		w.Header().Set("grpc-message", ce.Detail)
+	}
+
+	w.Write([]byte(ce.Error()))
+}
+
+func writeResponse(w http.ResponseWriter, r *http.Request, rsp []byte) {
+	w.Header().Set("Content-Type", r.Header.Get("Content-Type"))
+	w.Header().Set("Content-Length", strconv.Itoa(len(rsp)))
+
+	// Set trailers
+	if strings.Contains(r.Header.Get("Content-Type"), "application/grpc") {
+		w.Header().Set("Trailer", "grpc-status")
+		w.Header().Set("Trailer", "grpc-message")
+		w.Header().Set("grpc-status", "0")
+		w.Header().Set("grpc-message", "")
+	}
+
+	// write response
+	w.Write(rsp)
+}
+
+func NewHandler(opts ...handler.Option) handler.Handler {
+	options := handler.NewOptions(opts...)
+	return &rpcHandler{
+		opts: options,
+	}
+}
+
+func WithService(s *api.Service, opts ...handler.Option) handler.Handler {
+	options := handler.NewOptions(opts...)
+	return &rpcHandler{
+		opts: options,
+		s:    s,
+	}
+}
--- a/api/handler/rpc/rpc_test.go
+++ b/api/handler/rpc/rpc_test.go
@@ -0,0 +1,95 @@
+package rpc
+
+import (
+	"bytes"
+	"encoding/json"
+	"net/http"
+	"testing"
+
+	"github.com/golang/protobuf/proto"
+	"github.com/micro/go-micro/api/proto"
+)
+
+func TestRequestPayloadFromRequest(t *testing.T) {
+
+	// our test event so that we can validate serialising / deserializing of true protos works
+	protoEvent := go_api.Event{
+		Name: "Test",
+	}
+
+	protoBytes, err := proto.Marshal(&protoEvent)
+	if err != nil {
+		t.Fatal("Failed to marshal proto", err)
+	}
+
+	jsonBytes, err := json.Marshal(protoEvent)
+	if err != nil {
+		t.Fatal("Failed to marshal proto to JSON ", err)
+	}
+
+	t.Run("extracting a proto from a POST request", func(t *testing.T) {
+		r, err := http.NewRequest("POST", "http://localhost/my/path", bytes.NewReader(protoBytes))
+		if err != nil {
+			t.Fatalf("Failed to created http.Request: %v", err)
+		}
+
+		extByte, err := requestPayload(r)
+		if err != nil {
+			t.Fatalf("Failed to extract payload from request: %v", err)
+		}
+		if string(extByte) != string(protoBytes) {
+			t.Fatalf("Expected %v and %v to match", string(extByte), string(protoBytes))
+		}
+	})
+
+	t.Run("extracting JSON from a POST request", func(t *testing.T) {
+		r, err := http.NewRequest("POST", "http://localhost/my/path", bytes.NewReader(jsonBytes))
+		if err != nil {
+			t.Fatalf("Failed to created http.Request: %v", err)
+		}
+
+		extByte, err := requestPayload(r)
+		if err != nil {
+			t.Fatalf("Failed to extract payload from request: %v", err)
+		}
+		if string(extByte) != string(jsonBytes) {
+			t.Fatalf("Expected %v and %v to match", string(extByte), string(jsonBytes))
+		}
+	})
+
+	t.Run("extracting params from a GET request", func(t *testing.T) {
+
+		r, err := http.NewRequest("GET", "http://localhost/my/path", nil)
+		if err != nil {
+			t.Fatalf("Failed to created http.Request: %v", err)
+		}
+
+		q := r.URL.Query()
+		q.Add("name", "Test")
+		r.URL.RawQuery = q.Encode()
+
+		extByte, err := requestPayload(r)
+		if err != nil {
+			t.Fatalf("Failed to extract payload from request: %v", err)
+		}
+		if string(extByte) != string(jsonBytes) {
+			t.Fatalf("Expected %v and %v to match", string(extByte), string(jsonBytes))
+		}
+	})
+
+	t.Run("GET request with no params", func(t *testing.T) {
+
+		r, err := http.NewRequest("GET", "http://localhost/my/path", nil)
+		if err != nil {
+			t.Fatalf("Failed to created http.Request: %v", err)
+		}
+
+		extByte, err := requestPayload(r)
+		if err != nil {
+			t.Fatalf("Failed to extract payload from request: %v", err)
+		}
+		if string(extByte) != "" {
+			t.Fatalf("Expected %v and %v to match", string(extByte), "")
+		}
+	})
+}
--- a/api/handler/udp/udp.go
+++ b/api/handler/udp/udp.go
@@ -0,0 +1,25 @@
+// Package udp reads and write from a udp connection
+package udp
+
+import (
+	"io"
+	"net"
+	"net/http"
+)
+
+type Handler struct{}
+
+func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	c, err := net.Dial("udp", r.Host)
+	if err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+	go io.Copy(c, r.Body)
+	// write response
+	io.Copy(w, c)
+}
+
+func (h *Handler) String() string {
+	return "udp"
+}
--- a/api/handler/unix/unix.go
+++ b/api/handler/unix/unix.go
@@ -0,0 +1,30 @@
+// Package unix reads from a unix socket expecting it to be in /tmp/path
+package unix
+
+import (
+	"fmt"
+	"io"
+	"net"
+	"net/http"
+	"path/filepath"
+)
+
+type Handler struct{}
+
+func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	sock := fmt.Sprintf("%s.sock", filepath.Clean(r.URL.Path))
+	path := filepath.Join("/tmp", sock)
+
+	c, err := net.Dial("unix", path)
+	if err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+	go io.Copy(c, r.Body)
+	// write response
+	io.Copy(w, c)
+}
+
+func (h *Handler) String() string {
+	return "unix"
+}
--- a/api/handler/web/web.go
+++ b/api/handler/web/web.go
@@ -0,0 +1,177 @@
+// Package web contains the web handler including websocket support
+package web
+
+import (
+	"errors"
+	"fmt"
+	"io"
+	"net"
+	"net/http"
+	"net/http/httputil"
+	"net/url"
+	"strings"
+
+	"github.com/micro/go-micro/api"
+	"github.com/micro/go-micro/api/handler"
+	"github.com/micro/go-micro/selector"
+)
+
+const (
+	Handler = "web"
+)
+
+type webHandler struct {
+	opts handler.Options
+	s    *api.Service
+}
+
+func (wh *webHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	service, err := wh.getService(r)
+	if err != nil {
+		w.WriteHeader(500)
+		return
+	}
+
+	if len(service) == 0 {
+		w.WriteHeader(404)
+		return
+	}
+
+	rp, err := url.Parse(service)
+	if err != nil {
+		w.WriteHeader(500)
+		return
+	}
+
+	if isWebSocket(r) {
+		wh.serveWebSocket(rp.Host, w, r)
+		return
+	}
+
+	httputil.NewSingleHostReverseProxy(rp).ServeHTTP(w, r)
+}
+
+// getService returns the service for this request from the selector
+func (wh *webHandler) getService(r *http.Request) (string, error) {
+	var service *api.Service
+
+	if wh.s != nil {
+		// we were given the service
+		service = wh.s
+	} else if wh.opts.Router != nil {
+		// try get service from router
+		s, err := wh.opts.Router.Route(r)
+		if err != nil {
+			return "", err
+		}
+		service = s
+	} else {
+		// we have no way of routing the request
+		return "", errors.New("no route found")
+	}
+
+	// create a random selector
+	next := selector.Random(service.Services)
+
+	// get the next node
+	s, err := next()
+	if err != nil {
+		return "", nil
+	}
+
+	return fmt.Sprintf("http://%s:%d", s.Address, s.Port), nil
+}
+
+// serveWebSocket used to serve a web socket proxied connection
+func (wh *webHandler) serveWebSocket(host string, w http.ResponseWriter, r *http.Request) {
+	req := new(http.Request)
+	*req = *r
+
+	if len(host) == 0 {
+		http.Error(w, "invalid host", 500)
+		return
+	}
+
+	// set x-forward-for
+	if clientIP, _, err := net.SplitHostPort(r.RemoteAddr); err == nil {
+		if ips, ok := req.Header["X-Forwarded-For"]; ok {
+			clientIP = strings.Join(ips, ", ") + ", " + clientIP
+		}
+		req.Header.Set("X-Forwarded-For", clientIP)
+	}
+
+	// connect to the backend host
+	conn, err := net.Dial("tcp", host)
+	if err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+
+	// hijack the connection
+	hj, ok := w.(http.Hijacker)
+	if !ok {
+		http.Error(w, "failed to connect", 500)
+		return
+	}
+
+	nc, _, err := hj.Hijack()
+	if err != nil {
+		return
+	}
+
+	defer nc.Close()
+	defer conn.Close()
+
+	if err = req.Write(conn); err != nil {
+		return
+	}
+
+	errCh := make(chan error, 2)
+
+	cp := func(dst io.Writer, src io.Reader) {
+		_, err := io.Copy(dst, src)
+		errCh <- err
+	}
+
+	go cp(conn, nc)
+	go cp(nc, conn)
+
+	<-errCh
+}
+
+func isWebSocket(r *http.Request) bool {
+	contains := func(key, val string) bool {
+		vv := strings.Split(r.Header.Get(key), ",")
+		for _, v := range vv {
+			if val == strings.ToLower(strings.TrimSpace(v)) {
+				return true
+			}
+		}
+		return false
+	}
+
+	if contains("Connection", "upgrade") && contains("Upgrade", "websocket") {
+		return true
+	}
+
+	return false
+}
+
+func (wh *webHandler) String() string {
+	return "web"
+}
+
+func NewHandler(opts ...handler.Option) handler.Handler {
+	return &webHandler{
+		opts: handler.NewOptions(opts...),
+	}
+}
+
+func WithService(s *api.Service, opts ...handler.Option) handler.Handler {
+	options := handler.NewOptions(opts...)
+
+	return &webHandler{
+		opts: options,
+		s:    s,
+	}
+}
--- a/api/internal/proto/message.pb.go
+++ b/api/internal/proto/message.pb.go
@@ -0,0 +1,28 @@
+package proto
+
+type Message struct {
+	data []byte
+}
+
+func (m *Message) ProtoMessage() {}
+
+func (m *Message) Reset() {
+	*m = Message{}
+}
+
+func (m *Message) String() string {
+	return string(m.data)
+}
+
+func (m *Message) Marshal() ([]byte, error) {
+	return m.data, nil
+}
+
+func (m *Message) Unmarshal(data []byte) error {
+	m.data = data
+	return nil
+}
+
+func NewMessage(data []byte) *Message {
+	return &Message{data}
+}
--- a/api/proto/api.micro.go
+++ b/api/proto/api.micro.go
@@ -0,0 +1,31 @@
+// Code generated by protoc-gen-micro. DO NOT EDIT.
+// source: github.com/micro/go-micro/api/proto/api.proto
+
+/*
+Package go_api is a generated protocol buffer package.
+
+It is generated from these files:
+	github.com/micro/go-micro/api/proto/api.proto
+
+It has these top-level messages:
+	Pair
+	Request
+	Response
+	Event
+*/
+package go_api
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
--- a/api/proto/api.pb.go
+++ b/api/proto/api.pb.go
@@ -0,0 +1,332 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: github.com/micro/go-micro/api/proto/api.proto
+
+package go_api
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+type Pair struct {
+	Key                  string   `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Values               []string `protobuf:"bytes,2,rep,name=values,proto3" json:"values,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *Pair) Reset()         { *m = Pair{} }
+func (m *Pair) String() string { return proto.CompactTextString(m) }
+func (*Pair) ProtoMessage()    {}
+func (*Pair) Descriptor() ([]byte, []int) {
+	return fileDescriptor_api_17a7876430d97ebd, []int{0}
+}
+func (m *Pair) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Pair.Unmarshal(m, b)
+}
+func (m *Pair) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Pair.Marshal(b, m, deterministic)
+}
+func (dst *Pair) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Pair.Merge(dst, src)
+}
+func (m *Pair) XXX_Size() int {
+	return xxx_messageInfo_Pair.Size(m)
+}
+func (m *Pair) XXX_DiscardUnknown() {
+	xxx_messageInfo_Pair.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Pair proto.InternalMessageInfo
+
+func (m *Pair) GetKey() string {
+	if m != nil {
+		return m.Key
+	}
+	return ""
+}
+
+func (m *Pair) GetValues() []string {
+	if m != nil {
+		return m.Values
+	}
+	return nil
+}
+
+// A HTTP request as RPC
+// Forward by the api handler
+type Request struct {
+	Method               string           `protobuf:"bytes,1,opt,name=method,proto3" json:"method,omitempty"`
+	Path                 string           `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`
+	Header               map[string]*Pair `protobuf:"bytes,3,rep,name=header,proto3" json:"header,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	Get                  map[string]*Pair `protobuf:"bytes,4,rep,name=get,proto3" json:"get,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	Post                 map[string]*Pair `protobuf:"bytes,5,rep,name=post,proto3" json:"post,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	Body                 string           `protobuf:"bytes,6,opt,name=body,proto3" json:"body,omitempty"`
+	Url                  string           `protobuf:"bytes,7,opt,name=url,proto3" json:"url,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}         `json:"-"`
+	XXX_unrecognized     []byte           `json:"-"`
+	XXX_sizecache        int32            `json:"-"`
+}
+
+func (m *Request) Reset()         { *m = Request{} }
+func (m *Request) String() string { return proto.CompactTextString(m) }
+func (*Request) ProtoMessage()    {}
+func (*Request) Descriptor() ([]byte, []int) {
+	return fileDescriptor_api_17a7876430d97ebd, []int{1}
+}
+func (m *Request) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Request.Unmarshal(m, b)
+}
+func (m *Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Request.Marshal(b, m, deterministic)
+}
+func (dst *Request) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Request.Merge(dst, src)
+}
+func (m *Request) XXX_Size() int {
+	return xxx_messageInfo_Request.Size(m)
+}
+func (m *Request) XXX_DiscardUnknown() {
+	xxx_messageInfo_Request.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Request proto.InternalMessageInfo
+
+func (m *Request) GetMethod() string {
+	if m != nil {
+		return m.Method
+	}
+	return ""
+}
+
+func (m *Request) GetPath() string {
+	if m != nil {
+		return m.Path
+	}
+	return ""
+}
+
+func (m *Request) GetHeader() map[string]*Pair {
+	if m != nil {
+		return m.Header
+	}
+	return nil
+}
+
+func (m *Request) GetGet() map[string]*Pair {
+	if m != nil {
+		return m.Get
+	}
+	return nil
+}
+
+func (m *Request) GetPost() map[string]*Pair {
+	if m != nil {
+		return m.Post
+	}
+	return nil
+}
+
+func (m *Request) GetBody() string {
+	if m != nil {
+		return m.Body
+	}
+	return ""
+}
+
+func (m *Request) GetUrl() string {
+	if m != nil {
+		return m.Url
+	}
+	return ""
+}
+
+// A HTTP response as RPC
+// Expected response for the api handler
+type Response struct {
+	StatusCode           int32            `protobuf:"varint,1,opt,name=statusCode,proto3" json:"statusCode,omitempty"`
+	Header               map[string]*Pair `protobuf:"bytes,2,rep,name=header,proto3" json:"header,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	Body                 string           `protobuf:"bytes,3,opt,name=body,proto3" json:"body,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}         `json:"-"`
+	XXX_unrecognized     []byte           `json:"-"`
+	XXX_sizecache        int32            `json:"-"`
+}
+
+func (m *Response) Reset()         { *m = Response{} }
+func (m *Response) String() string { return proto.CompactTextString(m) }
+func (*Response) ProtoMessage()    {}
+func (*Response) Descriptor() ([]byte, []int) {
+	return fileDescriptor_api_17a7876430d97ebd, []int{2}
+}
+func (m *Response) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Response.Unmarshal(m, b)
+}
+func (m *Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Response.Marshal(b, m, deterministic)
+}
+func (dst *Response) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Response.Merge(dst, src)
+}
+func (m *Response) XXX_Size() int {
+	return xxx_messageInfo_Response.Size(m)
+}
+func (m *Response) XXX_DiscardUnknown() {
+	xxx_messageInfo_Response.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Response proto.InternalMessageInfo
+
+func (m *Response) GetStatusCode() int32 {
+	if m != nil {
+		return m.StatusCode
+	}
+	return 0
+}
+
+func (m *Response) GetHeader() map[string]*Pair {
+	if m != nil {
+		return m.Header
+	}
+	return nil
+}
+
+func (m *Response) GetBody() string {
+	if m != nil {
+		return m.Body
+	}
+	return ""
+}
+
+// A HTTP event as RPC
+// Forwarded by the event handler
+type Event struct {
+	// e.g login
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// uuid
+	Id string `protobuf:"bytes,2,opt,name=id,proto3" json:"id,omitempty"`
+	// unix timestamp of event
+	Timestamp int64 `protobuf:"varint,3,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
+	// event headers
+	Header map[string]*Pair `protobuf:"bytes,4,rep,name=header,proto3" json:"header,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	// the event data
+	Data                 string   `protobuf:"bytes,5,opt,name=data,proto3" json:"data,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *Event) Reset()         { *m = Event{} }
+func (m *Event) String() string { return proto.CompactTextString(m) }
+func (*Event) ProtoMessage()    {}
+func (*Event) Descriptor() ([]byte, []int) {
+	return fileDescriptor_api_17a7876430d97ebd, []int{3}
+}
+func (m *Event) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Event.Unmarshal(m, b)
+}
+func (m *Event) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Event.Marshal(b, m, deterministic)
+}
+func (dst *Event) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Event.Merge(dst, src)
+}
+func (m *Event) XXX_Size() int {
+	return xxx_messageInfo_Event.Size(m)
+}
+func (m *Event) XXX_DiscardUnknown() {
+	xxx_messageInfo_Event.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Event proto.InternalMessageInfo
+
+func (m *Event) GetName() string {
+	if m != nil {
+		return m.Name
+	}
+	return ""
+}
+
+func (m *Event) GetId() string {
+	if m != nil {
+		return m.Id
+	}
+	return ""
+}
+
+func (m *Event) GetTimestamp() int64 {
+	if m != nil {
+		return m.Timestamp
+	}
+	return 0
+}
+
+func (m *Event) GetHeader() map[string]*Pair {
+	if m != nil {
+		return m.Header
+	}
+	return nil
+}
+
+func (m *Event) GetData() string {
+	if m != nil {
+		return m.Data
+	}
+	return ""
+}
+
+func init() {
+	proto.RegisterType((*Pair)(nil), "go.api.Pair")
+	proto.RegisterType((*Request)(nil), "go.api.Request")
+	proto.RegisterMapType((map[string]*Pair)(nil), "go.api.Request.GetEntry")
+	proto.RegisterMapType((map[string]*Pair)(nil), "go.api.Request.HeaderEntry")
+	proto.RegisterMapType((map[string]*Pair)(nil), "go.api.Request.PostEntry")
+	proto.RegisterType((*Response)(nil), "go.api.Response")
+	proto.RegisterMapType((map[string]*Pair)(nil), "go.api.Response.HeaderEntry")
+	proto.RegisterType((*Event)(nil), "go.api.Event")
+	proto.RegisterMapType((map[string]*Pair)(nil), "go.api.Event.HeaderEntry")
+}
+
+func init() {
+	proto.RegisterFile("github.com/micro/go-micro/api/proto/api.proto", fileDescriptor_api_17a7876430d97ebd)
+}
+
+var fileDescriptor_api_17a7876430d97ebd = []byte{
+	// 410 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xac, 0x53, 0xc1, 0x6e, 0xd4, 0x30,
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+	0xe1, 0xed, 0xc5, 0xaa, 0xa6, 0x97, 0x90, 0x3b, 0xd5, 0x49, 0xeb, 0x44, 0x67, 0xd0, 0x0f, 0xe1,
+	0xfb, 0x03, 0xfa, 0x61, 0x37, 0x5e, 0xf2, 0xf7, 0xc3, 0xc1, 0x06, 0xff, 0x9a, 0xad, 0x16, 0x4e,
+	0xb0, 0x74, 0x6a, 0xea, 0xf1, 0xc9, 0x66, 0x5b, 0x65, 0xf8, 0x83, 0xde, 0xfc, 0x09, 0x00, 0x00,
+	0xff, 0xff, 0x7a, 0xb4, 0xd4, 0x8f, 0xcb, 0x03, 0x00, 0x00,
+}
--- a/api/proto/api.proto
+++ b/api/proto/api.proto
@@ -0,0 +1,43 @@
+syntax = "proto3";
+
+package go.api;
+
+message Pair {
+	string key = 1;
+	repeated string values = 2;
+}
+
+// A HTTP request as RPC
+// Forward by the api handler
+message Request {
+        string method = 1;
+        string path = 2;
+        map<string, Pair> header = 3;
+        map<string, Pair> get = 4;
+        map<string, Pair> post = 5;
+        string body = 6;  // raw request body; if not application/x-www-form-urlencoded
+	string url = 7;
+}
+
+// A HTTP response as RPC
+// Expected response for the api handler
+message Response {
+        int32 statusCode = 1;
+        map<string, Pair> header = 2;
+        string body = 3;
+}
+
+// A HTTP event as RPC
+// Forwarded by the event handler
+message Event {
+	// e.g login
+	string name = 1;
+	// uuid
+	string id = 2;
+	// unix timestamp of event
+	int64 timestamp = 3;
+	// event headers
+        map<string, Pair> header = 4;
+	// the event data
+	string data = 5;
+}
--- a/api/resolver/grpc/grpc.go
+++ b/api/resolver/grpc/grpc.go
@@ -0,0 +1,38 @@
+// Package grpc resolves a grpc service like /greeter.Say/Hello to greeter service
+package grpc
+
+import (
+	"errors"
+	"net/http"
+	"strings"
+
+	"github.com/micro/go-micro/api/resolver"
+)
+
+type Resolver struct{}
+
+func (r *Resolver) Resolve(req *http.Request) (*resolver.Endpoint, error) {
+	// /foo.Bar/Service
+	if req.URL.Path == "/" {
+		return nil, errors.New("unknown name")
+	}
+	// [foo.Bar, Service]
+	parts := strings.Split(req.URL.Path[1:], "/")
+	// [foo, Bar]
+	name := strings.Split(parts[0], ".")
+	// foo
+	return &resolver.Endpoint{
+		Name:   strings.Join(name[:len(name)-1], "."),
+		Host:   req.Host,
+		Method: req.Method,
+		Path:   req.URL.Path,
+	}, nil
+}
+
+func (r *Resolver) String() string {
+	return "grpc"
+}
+
+func NewResolver(opts ...resolver.Option) resolver.Resolver {
+	return &Resolver{}
+}
--- a/api/resolver/host/host.go
+++ b/api/resolver/host/host.go
@@ -0,0 +1,27 @@
+// Package host resolves using http host
+package host
+
+import (
+	"net/http"
+
+	"github.com/micro/go-micro/api/resolver"
+)
+
+type Resolver struct{}
+
+func (r *Resolver) Resolve(req *http.Request) (*resolver.Endpoint, error) {
+	return &resolver.Endpoint{
+		Name:   req.Host,
+		Host:   req.Host,
+		Method: req.Method,
+		Path:   req.URL.Path,
+	}, nil
+}
+
+func (r *Resolver) String() string {
+	return "host"
+}
+
+func NewResolver(opts ...resolver.Option) resolver.Resolver {
+	return &Resolver{}
+}
--- a/api/resolver/micro/micro.go
+++ b/api/resolver/micro/micro.go
@@ -0,0 +1,45 @@
+// Package micro provides a micro rpc resolver which prefixes a namespace
+package micro
+
+import (
+	"net/http"
+
+	"github.com/micro/go-micro/api/resolver"
+)
+
+// default resolver for legacy purposes
+// it uses proxy routing to resolve names
+// /foo becomes namespace.foo
+// /v1/foo becomes namespace.v1.foo
+type Resolver struct {
+	Options resolver.Options
+}
+
+func (r *Resolver) Resolve(req *http.Request) (*resolver.Endpoint, error) {
+	var name, method string
+
+	switch r.Options.Handler {
+	// internal handlers
+	case "meta", "api", "rpc", "micro":
+		name, method = apiRoute(req.URL.Path)
+	default:
+		method = req.Method
+		name = proxyRoute(req.URL.Path)
+	}
+
+	return &resolver.Endpoint{
+		Name:   name,
+		Method: method,
+	}, nil
+}
+
+func (r *Resolver) String() string {
+	return "micro"
+}
+
+// NewResolver creates a new micro resolver
+func NewResolver(opts ...resolver.Option) resolver.Resolver {
+	return &Resolver{
+		Options: resolver.NewOptions(opts...),
+	}
+}
--- a/api/resolver/micro/route.go
+++ b/api/resolver/micro/route.go
@@ -0,0 +1,90 @@
+package micro
+
+import (
+	"path"
+	"regexp"
+	"strings"
+)
+
+var (
+	proxyRe   = regexp.MustCompile("^[a-zA-Z0-9]+(-[a-zA-Z0-9]+)*$")
+	versionRe = regexp.MustCompilePOSIX("^v[0-9]+$")
+)
+
+// Translates /foo/bar/zool into api service go.micro.api.foo method Bar.Zool
+// Translates /foo/bar into api service go.micro.api.foo method Foo.Bar
+func apiRoute(p string) (string, string) {
+	p = path.Clean(p)
+	p = strings.TrimPrefix(p, "/")
+	parts := strings.Split(p, "/")
+
+	// If we've got two or less parts
+	// Use first part as service
+	// Use all parts as method
+	if len(parts) <= 2 {
+		name := parts[0]
+		return name, methodName(parts)
+	}
+
+	// Treat /v[0-9]+ as versioning where we have 3 parts
+	// /v1/foo/bar => service: v1.foo method: Foo.bar
+	if len(parts) == 3 && versionRe.Match([]byte(parts[0])) {
+		name := strings.Join(parts[:len(parts)-1], ".")
+		return name, methodName(parts[len(parts)-2:])
+	}
+
+	// Service is everything minus last two parts
+	// Method is the last two parts
+	name := strings.Join(parts[:len(parts)-2], ".")
+	return name, methodName(parts[len(parts)-2:])
+}
+
+func proxyRoute(p string) string {
+	parts := strings.Split(p, "/")
+	if len(parts) < 2 {
+		return ""
+	}
+
+	var service string
+	var alias string
+
+	// /[service]/methods
+	if len(parts) > 2 {
+		// /v1/[service]
+		if versionRe.MatchString(parts[1]) {
+			service = parts[1] + "." + parts[2]
+			alias = parts[2]
+		} else {
+			service = parts[1]
+			alias = parts[1]
+		}
+		// /[service]
+	} else {
+		service = parts[1]
+		alias = parts[1]
+	}
+
+	// check service name is valid
+	if !proxyRe.MatchString(alias) {
+		return ""
+	}
+
+	return service
+}
+
+func methodName(parts []string) string {
+	for i, part := range parts {
+		parts[i] = toCamel(part)
+	}
+
+	return strings.Join(parts, ".")
+}
+
+func toCamel(s string) string {
+	words := strings.Split(s, "-")
+	var out string
+	for _, word := range words {
+		out += strings.Title(word)
+	}
+	return out
+}
--- a/api/resolver/micro/route_test.go
+++ b/api/resolver/micro/route_test.go
@@ -0,0 +1,130 @@
+package micro
+
+import (
+	"testing"
+)
+
+func TestApiRoute(t *testing.T) {
+	testData := []struct {
+		path    string
+		service string
+		method  string
+	}{
+		{
+			"/foo/bar",
+			"foo",
+			"Foo.Bar",
+		},
+		{
+			"/foo/foo/bar",
+			"foo",
+			"Foo.Bar",
+		},
+		{
+			"/foo/bar/baz",
+			"foo",
+			"Bar.Baz",
+		},
+		{
+			"/foo/bar/baz-xyz",
+			"foo",
+			"Bar.BazXyz",
+		},
+		{
+			"/foo/bar/baz/cat",
+			"foo.bar",
+			"Baz.Cat",
+		},
+		{
+			"/foo/bar/baz/cat/car",
+			"foo.bar.baz",
+			"Cat.Car",
+		},
+		{
+			"/foo/fooBar/bazCat",
+			"foo",
+			"FooBar.BazCat",
+		},
+		{
+			"/v1/foo/bar",
+			"v1.foo",
+			"Foo.Bar",
+		},
+		{
+			"/v1/foo/bar/baz",
+			"v1.foo",
+			"Bar.Baz",
+		},
+		{
+			"/v1/foo/bar/baz/cat",
+			"v1.foo.bar",
+			"Baz.Cat",
+		},
+	}
+
+	for _, d := range testData {
+		s, m := apiRoute(d.path)
+		if d.service != s {
+			t.Fatalf("Expected service: %s for path: %s got: %s %s", d.service, d.path, s, m)
+		}
+		if d.method != m {
+			t.Fatalf("Expected service: %s for path: %s got: %s", d.method, d.path, m)
+		}
+	}
+}
+
+func TestProxyRoute(t *testing.T) {
+	testData := []struct {
+		path    string
+		service string
+	}{
+		// no namespace
+		{
+			"/f",
+			"f",
+		},
+		{
+			"/f",
+			"f",
+		},
+		{
+			"/f-b",
+			"f-b",
+		},
+		{
+			"/foo/bar",
+			"foo",
+		},
+		{
+			"/foo-bar",
+			"foo-bar",
+		},
+		{
+			"/foo-bar-baz",
+			"foo-bar-baz",
+		},
+		{
+			"/foo/bar/bar",
+			"foo",
+		},
+		{
+			"/v1/foo/bar",
+			"v1.foo",
+		},
+		{
+			"/v1/foo/bar/baz",
+			"v1.foo",
+		},
+		{
+			"/v1/foo/bar/baz/cat",
+			"v1.foo",
+		},
+	}
+
+	for _, d := range testData {
+		s := proxyRoute(d.path)
+		if d.service != s {
+			t.Fatalf("Expected service: %s for path: %s got: %s", d.service, d.path, s)
+		}
+	}
+}
--- a/api/resolver/options.go
+++ b/api/resolver/options.go
@@ -0,0 +1,24 @@
+package resolver
+
+// NewOptions returns new initialised options
+func NewOptions(opts ...Option) Options {
+	var options Options
+	for _, o := range opts {
+		o(&options)
+	}
+	return options
+}
+
+// WithHandler sets the handler being used
+func WithHandler(h string) Option {
+	return func(o *Options) {
+		o.Handler = h
+	}
+}
+
+// WithNamespace sets the namespace being used
+func WithNamespace(n string) Option {
+	return func(o *Options) {
+		o.Namespace = n
+	}
+}
--- a/api/resolver/path/path.go
+++ b/api/resolver/path/path.go
@@ -0,0 +1,33 @@
+// Package path resolves using http path
+package path
+
+import (
+	"errors"
+	"net/http"
+	"strings"
+
+	"github.com/micro/go-micro/api/resolver"
+)
+
+type Resolver struct{}
+
+func (r *Resolver) Resolve(req *http.Request) (*resolver.Endpoint, error) {
+	if req.URL.Path == "/" {
+		return nil, errors.New("unknown name")
+	}
+	parts := strings.Split(req.URL.Path[1:], "/")
+	return &resolver.Endpoint{
+		Name:   parts[0],
+		Host:   req.Host,
+		Method: req.Method,
+		Path:   req.URL.Path,
+	}, nil
+}
+
+func (r *Resolver) String() string {
+	return "path"
+}
+
+func NewResolver(opts ...resolver.Option) resolver.Resolver {
+	return &Resolver{}
+}
--- a/api/resolver/resolver.go
+++ b/api/resolver/resolver.go
@@ -0,0 +1,31 @@
+// Package resolver resolves a http request to an endpoint
+package resolver
+
+import (
+	"net/http"
+)
+
+// Resolver resolves requests to endpoints
+type Resolver interface {
+	Resolve(r *http.Request) (*Endpoint, error)
+	String() string
+}
+
+// Endpoint is the endpoint for a http request
+type Endpoint struct {
+	// e.g greeter
+	Name string
+	// HTTP Host e.g example.com
+	Host string
+	// HTTP Methods e.g GET, POST
+	Method string
+	// HTTP Path e.g /greeter.
+	Path string
+}
+
+type Options struct {
+	Handler   string
+	Namespace string
+}
+
+type Option func(o *Options)
--- a/api/resolver/vpath/vpath.go
+++ b/api/resolver/vpath/vpath.go
@@ -0,0 +1,59 @@
+// Package vpath resolves using http path and recognised versioned urls
+package vpath
+
+import (
+	"errors"
+	"net/http"
+	"regexp"
+	"strings"
+
+	"github.com/micro/go-micro/api/resolver"
+)
+
+type Resolver struct{}
+
+var (
+	re = regexp.MustCompile("^v[0-9]+$")
+)
+
+func (r *Resolver) Resolve(req *http.Request) (*resolver.Endpoint, error) {
+	if req.URL.Path == "/" {
+		return nil, errors.New("unknown name")
+	}
+
+	parts := strings.Split(req.URL.Path[1:], "/")
+
+	if len(parts) == 1 {
+		return &resolver.Endpoint{
+			Name:   parts[0],
+			Host:   req.Host,
+			Method: req.Method,
+			Path:   req.URL.Path,
+		}, nil
+	}
+
+	// /v1/foo
+	if re.MatchString(parts[0]) {
+		return &resolver.Endpoint{
+			Name:   parts[1],
+			Host:   req.Host,
+			Method: req.Method,
+			Path:   req.URL.Path,
+		}, nil
+	}
+
+	return &resolver.Endpoint{
+		Name:   parts[0],
+		Host:   req.Host,
+		Method: req.Method,
+		Path:   req.URL.Path,
+	}, nil
+}
+
+func (r *Resolver) String() string {
+	return "path"
+}
+
+func NewResolver(opts ...resolver.Option) resolver.Resolver {
+	return &Resolver{}
+}
--- a/api/router/options.go
+++ b/api/router/options.go
@@ -0,0 +1,61 @@
+package router
+
+import (
+	"github.com/micro/go-micro/api/resolver"
+	"github.com/micro/go-micro/api/resolver/micro"
+	"github.com/micro/go-micro/cmd"
+	"github.com/micro/go-micro/registry"
+)
+
+type Options struct {
+	Namespace string
+	Handler   string
+	Registry  registry.Registry
+	Resolver  resolver.Resolver
+}
+
+type Option func(o *Options)
+
+func NewOptions(opts ...Option) Options {
+	options := Options{
+		Handler:  "meta",
+		Registry: *cmd.DefaultOptions().Registry,
+	}
+
+	for _, o := range opts {
+		o(&options)
+	}
+
+	if options.Resolver == nil {
+		options.Resolver = micro.NewResolver(
+			resolver.WithHandler(options.Handler),
+			resolver.WithNamespace(options.Namespace),
+		)
+	}
+
+	return options
+}
+
+func WithHandler(h string) Option {
+	return func(o *Options) {
+		o.Handler = h
+	}
+}
+
+func WithNamespace(ns string) Option {
+	return func(o *Options) {
+		o.Namespace = ns
+	}
+}
+
+func WithRegistry(r registry.Registry) Option {
+	return func(o *Options) {
+		o.Registry = r
+	}
+}
+
+func WithResolver(r resolver.Resolver) Option {
+	return func(o *Options) {
+		o.Resolver = r
+	}
+}
--- a/api/router/registry/registry.go
+++ b/api/router/registry/registry.go
@@ -0,0 +1,393 @@
+// Package registry provides a dynamic api service router
+package registry
+
+import (
+	"errors"
+	"fmt"
+	"log"
+	"net/http"
+	"regexp"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/micro/go-micro/api"
+	"github.com/micro/go-micro/api/router"
+	"github.com/micro/go-micro/registry"
+	"github.com/micro/go-micro/registry/cache"
+)
+
+// router is the default router
+type registryRouter struct {
+	exit chan bool
+	opts router.Options
+
+	// registry cache
+	rc cache.Cache
+
+	sync.RWMutex
+	eps map[string]*api.Service
+}
+
+func setNamespace(ns, name string) string {
+	ns = strings.TrimSpace(ns)
+	name = strings.TrimSpace(name)
+
+	// no namespace
+	if len(ns) == 0 {
+		return name
+	}
+
+	switch {
+	// has - suffix
+	case strings.HasSuffix(ns, "-"):
+		return strings.Replace(ns+name, ".", "-", -1)
+	// has . suffix
+	case strings.HasSuffix(ns, "."):
+		return ns + name
+	}
+
+	// default join .
+	return strings.Join([]string{ns, name}, ".")
+}
+
+func (r *registryRouter) isClosed() bool {
+	select {
+	case <-r.exit:
+		return true
+	default:
+		return false
+	}
+}
+
+// refresh list of api services
+func (r *registryRouter) refresh() {
+	var attempts int
+
+	for {
+		services, err := r.opts.Registry.ListServices()
+		if err != nil {
+			attempts++
+			log.Println("Error listing endpoints", err)
+			time.Sleep(time.Duration(attempts) * time.Second)
+			continue
+		}
+
+		attempts = 0
+
+		// for each service, get service and store endpoints
+		for _, s := range services {
+			// only get services for this namespace
+			if !strings.HasPrefix(s.Name, r.opts.Namespace) {
+				continue
+			}
+			service, err := r.rc.GetService(s.Name)
+			if err != nil {
+				continue
+			}
+			r.store(service)
+		}
+
+		// refresh list in 10 minutes... cruft
+		select {
+		case <-time.After(time.Minute * 10):
+		case <-r.exit:
+			return
+		}
+	}
+}
+
+// process watch event
+func (r *registryRouter) process(res *registry.Result) {
+	// skip these things
+	if res == nil || res.Service == nil || !strings.HasPrefix(res.Service.Name, r.opts.Namespace) {
+		return
+	}
+
+	// get entry from cache
+	service, err := r.rc.GetService(res.Service.Name)
+	if err != nil {
+		return
+	}
+
+	// update our local endpoints
+	r.store(service)
+}
+
+// store local endpoint cache
+func (r *registryRouter) store(services []*registry.Service) {
+	// endpoints
+	eps := map[string]*api.Service{}
+
+	// services
+	names := map[string]bool{}
+
+	// create a new endpoint mapping
+	for _, service := range services {
+		// set names we need later
+		names[service.Name] = true
+
+		// map per endpoint
+		for _, endpoint := range service.Endpoints {
+			// create a key service:endpoint_name
+			key := fmt.Sprintf("%s:%s", service.Name, endpoint.Name)
+			// decode endpoint
+			end := api.Decode(endpoint.Metadata)
+
+			// if we got nothing skip
+			if err := api.Validate(end); err != nil {
+				continue
+			}
+
+			// try get endpoint
+			ep, ok := eps[key]
+			if !ok {
+				ep = &api.Service{Name: service.Name}
+			}
+
+			// overwrite the endpoint
+			ep.Endpoint = end
+			// append services
+			ep.Services = append(ep.Services, service)
+			// store it
+			eps[key] = ep
+		}
+	}
+
+	r.Lock()
+	defer r.Unlock()
+
+	// delete any existing eps for services we know
+	for key, service := range r.eps {
+		// skip what we don't care about
+		if !names[service.Name] {
+			continue
+		}
+
+		// ok we know this thing
+		// delete delete delete
+		delete(r.eps, key)
+	}
+
+	// now set the eps we have
+	for name, endpoint := range eps {
+		r.eps[name] = endpoint
+	}
+}
+
+// watch for endpoint changes
+func (r *registryRouter) watch() {
+	var attempts int
+
+	for {
+		if r.isClosed() {
+			return
+		}
+
+		// watch for changes
+		w, err := r.opts.Registry.Watch()
+		if err != nil {
+			attempts++
+			log.Println("Error watching endpoints", err)
+			time.Sleep(time.Duration(attempts) * time.Second)
+			continue
+		}
+
+		ch := make(chan bool)
+
+		go func() {
+			select {
+			case <-ch:
+				w.Stop()
+			case <-r.exit:
+				w.Stop()
+			}
+		}()
+
+		// reset if we get here
+		attempts = 0
+
+		for {
+			// process next event
+			res, err := w.Next()
+			if err != nil {
+				log.Println("Error getting next endpoint", err)
+				close(ch)
+				break
+			}
+			r.process(res)
+		}
+	}
+}
+
+func (r *registryRouter) Options() router.Options {
+	return r.opts
+}
+
+func (r *registryRouter) Close() error {
+	select {
+	case <-r.exit:
+		return nil
+	default:
+		close(r.exit)
+		r.rc.Stop()
+	}
+	return nil
+}
+
+func (r *registryRouter) Endpoint(req *http.Request) (*api.Service, error) {
+	if r.isClosed() {
+		return nil, errors.New("router closed")
+	}
+
+	r.RLock()
+	defer r.RUnlock()
+
+	// use the first match
+	// TODO: weighted matching
+	for _, e := range r.eps {
+		ep := e.Endpoint
+
+		// match
+		var pathMatch, hostMatch, methodMatch bool
+
+		// 1. try method GET, POST, PUT, etc
+		// 2. try host example.com, foobar.com, etc
+		// 3. try path /foo/bar, /bar/baz, etc
+
+		// 1. try match method
+		for _, m := range ep.Method {
+			if req.Method == m {
+				methodMatch = true
+				break
+			}
+		}
+
+		// no match on method pass
+		if len(ep.Method) > 0 && !methodMatch {
+			continue
+		}
+
+		// 2. try match host
+		for _, h := range ep.Host {
+			if req.Host == h {
+				hostMatch = true
+				break
+			}
+		}
+
+		// no match on host pass
+		if len(ep.Host) > 0 && !hostMatch {
+			continue
+		}
+
+		// 3. try match paths
+		for _, p := range ep.Path {
+			re, err := regexp.CompilePOSIX(p)
+			if err == nil && re.MatchString(req.URL.Path) {
+				pathMatch = true
+				break
+			}
+		}
+
+		// no match pass
+		if len(ep.Path) > 0 && !pathMatch {
+			continue
+		}
+
+		// TODO: Percentage traffic
+
+		// we got here, so its a match
+		return e, nil
+	}
+
+	// no match
+	return nil, errors.New("not found")
+}
+
+func (r *registryRouter) Route(req *http.Request) (*api.Service, error) {
+	if r.isClosed() {
+		return nil, errors.New("router closed")
+	}
+
+	// try get an endpoint
+	ep, err := r.Endpoint(req)
+	if err == nil {
+		return ep, nil
+	}
+
+	// error not nil
+	// ignore that shit
+	// TODO: don't ignore that shit
+
+	// get the service name
+	rp, err := r.opts.Resolver.Resolve(req)
+	if err != nil {
+		return nil, err
+	}
+
+	// service name
+	name := setNamespace(r.opts.Namespace, rp.Name)
+
+	// get service
+	services, err := r.rc.GetService(name)
+	if err != nil {
+		return nil, err
+	}
+
+	// only use endpoint matching when the meta handler is set aka api.Default
+	switch r.opts.Handler {
+	// rpc handlers
+	case "meta", "api", "rpc":
+		handler := r.opts.Handler
+
+		// set default handler to api
+		if r.opts.Handler == "meta" {
+			handler = "rpc"
+		}
+
+		// construct api service
+		return &api.Service{
+			Name: name,
+			Endpoint: &api.Endpoint{
+				Name:    rp.Method,
+				Handler: handler,
+			},
+			Services: services,
+		}, nil
+	// http handler
+	case "http", "proxy", "web":
+		// construct api service
+		return &api.Service{
+			Name: name,
+			Endpoint: &api.Endpoint{
+				Name:    req.URL.String(),
+				Handler: r.opts.Handler,
+				Host:    []string{req.Host},
+				Method:  []string{req.Method},
+				Path:    []string{req.URL.Path},
+			},
+			Services: services,
+		}, nil
+	}
+
+	return nil, errors.New("unknown handler")
+}
+
+func newRouter(opts ...router.Option) *registryRouter {
+	options := router.NewOptions(opts...)
+	r := &registryRouter{
+		exit: make(chan bool),
+		opts: options,
+		rc:   cache.New(options.Registry),
+		eps:  make(map[string]*api.Service),
+	}
+	go r.watch()
+	go r.refresh()
+	return r
+}
+
+// NewRouter returns the default router
+func NewRouter(opts ...router.Option) router.Router {
+	return newRouter(opts...)
+}
--- a/api/router/registry/registry_test.go
+++ b/api/router/registry/registry_test.go
@@ -0,0 +1,181 @@
+package registry
+
+import (
+	"fmt"
+	"net/http"
+	"net/url"
+	"testing"
+
+	"github.com/micro/go-micro/api"
+)
+
+func TestSetNamespace(t *testing.T) {
+	testCases := []struct {
+		namespace string
+		name      string
+		expected  string
+	}{
+		// default dotted path
+		{
+			"go.micro.api",
+			"foo",
+			"go.micro.api.foo",
+		},
+		// dotted end
+		{
+			"go.micro.api.",
+			"foo",
+			"go.micro.api.foo",
+		},
+		// dashed end
+		{
+			"go-micro-api-",
+			"foo",
+			"go-micro-api-foo",
+		},
+		// no namespace
+		{
+			"",
+			"foo",
+			"foo",
+		},
+		{
+			"go-micro-api-",
+			"v2.foo",
+			"go-micro-api-v2-foo",
+		},
+	}
+
+	for _, test := range testCases {
+		name := setNamespace(test.namespace, test.name)
+		if name != test.expected {
+			t.Fatalf("expected name %s got %s", test.expected, name)
+		}
+	}
+}
+
+func TestRouter(t *testing.T) {
+	r := newRouter()
+
+	compare := func(expect, got []string) bool {
+		// no data to compare, return true
+		if len(expect) == 0 && len(got) == 0 {
+			return true
+		}
+		// no data expected but got some return false
+		if len(expect) == 0 && len(got) > 0 {
+			return false
+		}
+
+		// compare expected with what we got
+		for _, e := range expect {
+			var seen bool
+			for _, g := range got {
+				if e == g {
+					seen = true
+					break
+				}
+			}
+			if !seen {
+				return false
+			}
+		}
+
+		// we're done, return true
+		return true
+	}
+
+	testData := []struct {
+		e *api.Endpoint
+		r *http.Request
+		m bool
+	}{
+		{
+			e: &api.Endpoint{
+				Name:   "Foo.Bar",
+				Host:   []string{"example.com"},
+				Method: []string{"GET"},
+				Path:   []string{"/foo"},
+			},
+			r: &http.Request{
+				Host:   "example.com",
+				Method: "GET",
+				URL: &url.URL{
+					Path: "/foo",
+				},
+			},
+			m: true,
+		},
+		{
+			e: &api.Endpoint{
+				Name:   "Bar.Baz",
+				Host:   []string{"example.com", "foo.com"},
+				Method: []string{"GET", "POST"},
+				Path:   []string{"/foo/bar"},
+			},
+			r: &http.Request{
+				Host:   "foo.com",
+				Method: "POST",
+				URL: &url.URL{
+					Path: "/foo/bar",
+				},
+			},
+			m: true,
+		},
+		{
+			e: &api.Endpoint{
+				Name:   "Test.Cruft",
+				Host:   []string{"example.com", "foo.com"},
+				Method: []string{"GET", "POST"},
+				Path:   []string{"/xyz"},
+			},
+			r: &http.Request{
+				Host:   "fail.com",
+				Method: "DELETE",
+				URL: &url.URL{
+					Path: "/test/fail",
+				},
+			},
+			m: false,
+		},
+	}
+
+	for _, d := range testData {
+		key := fmt.Sprintf("%s:%s", "test.service", d.e.Name)
+		r.eps[key] = &api.Service{
+			Endpoint: d.e,
+		}
+	}
+
+	for _, d := range testData {
+		e, err := r.Endpoint(d.r)
+		if d.m && err != nil {
+			t.Fatalf("expected match, got %v", err)
+		}
+		if !d.m && err == nil {
+			t.Fatal("expected error got match")
+		}
+		// skip testing the non match
+		if !d.m {
+			continue
+		}
+
+		ep := e.Endpoint
+
+		// test the match
+		if d.e.Name != ep.Name {
+			t.Fatalf("expected %v got %v", d.e.Name, ep.Name)
+		}
+		if ok := compare(d.e.Method, ep.Method); !ok {
+			t.Fatalf("expected %v got %v", d.e.Method, ep.Method)
+		}
+		if ok := compare(d.e.Path, ep.Path); !ok {
+			t.Fatalf("expected %v got %v", d.e.Path, ep.Path)
+		}
+		if ok := compare(d.e.Host, ep.Host); !ok {
+			t.Fatalf("expected %v got %v", d.e.Host, ep.Host)
+		}
+
+	}
+
+}
--- a/api/router/router.go
+++ b/api/router/router.go
@@ -0,0 +1,20 @@
+// Package router provides api service routing
+package router
+
+import (
+	"net/http"
+
+	"github.com/micro/go-micro/api"
+)
+
+// Router is used to determine an endpoint for a request
+type Router interface {
+	// Returns options
+	Options() Options
+	// Stop the router
+	Close() error
+	// Endpoint returns an api.Service endpoint or an error if it does not exist
+	Endpoint(r *http.Request) (*api.Service, error)
+	// Route returns an api.Service route
+	Route(r *http.Request) (*api.Service, error)
+}
--- a/api/server/http/http.go
+++ b/api/server/http/http.go
@@ -0,0 +1,98 @@
+// Package http provides a http server with features; acme, cors, etc
+package http
+
+import (
+	"crypto/tls"
+	"net"
+	"net/http"
+	"os"
+	"sync"
+
+	"github.com/gorilla/handlers"
+	"github.com/micro/go-micro/api/server"
+	"github.com/micro/go-micro/util/log"
+	"golang.org/x/crypto/acme/autocert"
+)
+
+type httpServer struct {
+	mux  *http.ServeMux
+	opts server.Options
+
+	mtx     sync.RWMutex
+	address string
+	exit    chan chan error
+}
+
+func NewServer(address string) server.Server {
+	return &httpServer{
+		opts:    server.Options{},
+		mux:     http.NewServeMux(),
+		address: address,
+		exit:    make(chan chan error),
+	}
+}
+
+func (s *httpServer) Address() string {
+	s.mtx.RLock()
+	defer s.mtx.RUnlock()
+	return s.address
+}
+
+func (s *httpServer) Init(opts ...server.Option) error {
+	for _, o := range opts {
+		o(&s.opts)
+	}
+	return nil
+}
+
+func (s *httpServer) Handle(path string, handler http.Handler) {
+	s.mux.Handle(path, handlers.CombinedLoggingHandler(os.Stdout, handler))
+}
+
+func (s *httpServer) Start() error {
+	var l net.Listener
+	var err error
+
+	if s.opts.EnableACME {
+		// should we check the address to make sure its using :443?
+		l = autocert.NewListener(s.opts.ACMEHosts...)
+	} else if s.opts.EnableTLS && s.opts.TLSConfig != nil {
+		l, err = tls.Listen("tcp", s.address, s.opts.TLSConfig)
+	} else {
+		// otherwise plain listen
+		l, err = net.Listen("tcp", s.address)
+	}
+	if err != nil {
+		return err
+	}
+
+	log.Logf("HTTP API Listening on %s", l.Addr().String())
+
+	s.mtx.Lock()
+	s.address = l.Addr().String()
+	s.mtx.Unlock()
+
+	go func() {
+		if err := http.Serve(l, s.mux); err != nil {
+			// temporary fix
+			//log.Fatal(err)
+		}
+	}()
+
+	go func() {
+		ch := <-s.exit
+		ch <- l.Close()
+	}()
+
+	return nil
+}
+
+func (s *httpServer) Stop() error {
+	ch := make(chan error)
+	s.exit <- ch
+	return <-ch
+}
+
+func (s *httpServer) String() string {
+	return "http"
+}
--- a/api/server/http/http_test.go
+++ b/api/server/http/http_test.go
@@ -0,0 +1,41 @@
+package http
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"testing"
+)
+
+func TestHTTPServer(t *testing.T) {
+	testResponse := "hello world"
+
+	s := NewServer("localhost:0")
+
+	s.Handle("/", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprint(w, testResponse)
+	}))
+
+	if err := s.Start(); err != nil {
+		t.Fatal(err)
+	}
+
+	rsp, err := http.Get(fmt.Sprintf("http://%s/", s.Address()))
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer rsp.Body.Close()
+
+	b, err := ioutil.ReadAll(rsp.Body)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if string(b) != testResponse {
+		t.Fatalf("Unexpected response, got %s, expected %s", string(b), testResponse)
+	}
+
+	if err := s.Stop(); err != nil {
+		t.Fatal(err)
+	}
+}
--- a/api/server/options.go
+++ b/api/server/options.go
@@ -0,0 +1,38 @@
+package server
+
+import (
+	"crypto/tls"
+)
+
+type Option func(o *Options)
+
+type Options struct {
+	EnableACME bool
+	EnableTLS  bool
+	ACMEHosts  []string
+	TLSConfig  *tls.Config
+}
+
+func ACMEHosts(hosts ...string) Option {
+	return func(o *Options) {
+		o.ACMEHosts = hosts
+	}
+}
+
+func EnableACME(b bool) Option {
+	return func(o *Options) {
+		o.EnableACME = b
+	}
+}
+
+func EnableTLS(b bool) Option {
+	return func(o *Options) {
+		o.EnableTLS = b
+	}
+}
+
+func TLSConfig(t *tls.Config) Option {
+	return func(o *Options) {
+		o.TLSConfig = t
+	}
+}
--- a/api/server/server.go
+++ b/api/server/server.go
@@ -0,0 +1,15 @@
+// Package server provides an API gateway server which handles inbound requests
+package server
+
+import (
+	"net/http"
+)
+
+// Server serves api requests
+type Server interface {
+	Address() string
+	Init(opts ...Option) error
+	Handle(path string, handler http.Handler)
+	Start() error
+	Stop() error
+}
--- a/client/grpc/README.md
+++ b/client/grpc/README.md
@@ -0,0 +1,25 @@
+# GRPC Client
+
+The grpc client is a [micro.Client](https://godoc.org/github.com/micro/go-micro/client#Client) compatible client.
+
+## Overview
+
+The client makes use of the [google.golang.org/grpc](google.golang.org/grpc) framework for the underlying communication mechanism.
+
+## Usage
+
+Specify the client to your micro service
+
+```go
+import (
+	"github.com/micro/go-micro"
+	"github.com/micro/go-plugins/client/grpc"
+)
+
+func main() {
+	service := micro.NewService(
+		micro.Name("greeter"),
+		micro.Client(grpc.NewClient()),
+	)
+}
+```
--- a/client/grpc/buffer.go
+++ b/client/grpc/buffer.go
@@ -0,0 +1,14 @@
+package grpc
+
+import (
+	"bytes"
+)
+
+type buffer struct {
+	*bytes.Buffer
+}
+
+func (b *buffer) Close() error {
+	b.Buffer.Reset()
+	return nil
+}
--- a/client/grpc/codec.go
+++ b/client/grpc/codec.go
@@ -0,0 +1,98 @@
+package grpc
+
+import (
+	"fmt"
+
+	"github.com/golang/protobuf/proto"
+	"github.com/json-iterator/go"
+	"github.com/micro/go-micro/codec"
+	"github.com/micro/go-micro/codec/jsonrpc"
+	"github.com/micro/go-micro/codec/protorpc"
+	"google.golang.org/grpc/encoding"
+)
+
+type jsonCodec struct{}
+type protoCodec struct{}
+type bytesCodec struct{}
+type wrapCodec struct{ encoding.Codec }
+
+var (
+	defaultGRPCCodecs = map[string]encoding.Codec{
+		"application/json":         jsonCodec{},
+		"application/proto":        protoCodec{},
+		"application/protobuf":     protoCodec{},
+		"application/octet-stream": protoCodec{},
+		"application/grpc+json":    jsonCodec{},
+		"application/grpc+proto":   protoCodec{},
+		"application/grpc+bytes":   bytesCodec{},
+	}
+
+	defaultRPCCodecs = map[string]codec.NewCodec{
+		"application/json":         jsonrpc.NewCodec,
+		"application/json-rpc":     jsonrpc.NewCodec,
+		"application/protobuf":     protorpc.NewCodec,
+		"application/proto-rpc":    protorpc.NewCodec,
+		"application/octet-stream": protorpc.NewCodec,
+	}
+
+	json = jsoniter.ConfigCompatibleWithStandardLibrary
+)
+
+// UseNumber fix unmarshal Number(8234567890123456789) to interface(8.234567890123457e+18)
+func UseNumber() {
+	json = jsoniter.Config{
+		UseNumber:              true,
+		EscapeHTML:             true,
+		SortMapKeys:            true,
+		ValidateJsonRawMessage: true,
+	}.Froze()
+}
+
+func (w wrapCodec) String() string {
+	return w.Codec.Name()
+}
+
+func (protoCodec) Marshal(v interface{}) ([]byte, error) {
+	return proto.Marshal(v.(proto.Message))
+}
+
+func (protoCodec) Unmarshal(data []byte, v interface{}) error {
+	return proto.Unmarshal(data, v.(proto.Message))
+}
+
+func (protoCodec) Name() string {
+	return "proto"
+}
+
+func (bytesCodec) Marshal(v interface{}) ([]byte, error) {
+	b, ok := v.(*[]byte)
+	if !ok {
+		return nil, fmt.Errorf("failed to marshal: %v is not type of *[]byte", v)
+	}
+	return *b, nil
+}
+
+func (bytesCodec) Unmarshal(data []byte, v interface{}) error {
+	b, ok := v.(*[]byte)
+	if !ok {
+		return fmt.Errorf("failed to unmarshal: %v is not type of *[]byte", v)
+	}
+	*b = data
+	return nil
+}
+
+func (bytesCodec) Name() string {
+	return "bytes"
+}
+
+func (jsonCodec) Marshal(v interface{}) ([]byte, error) {
+	return json.Marshal(v)
+}
+
+func (jsonCodec) Unmarshal(data []byte, v interface{}) error {
+	return json.Unmarshal(data, v)
+}
+
+func (jsonCodec) Name() string {
+	return "json"
+}
--- a/client/grpc/error.go
+++ b/client/grpc/error.go
@@ -0,0 +1,30 @@
+package grpc
+
+import (
+	"github.com/micro/go-micro/errors"
+	"google.golang.org/grpc/status"
+)
+
+func microError(err error) error {
+	// no error
+	switch err {
+	case nil:
+		return nil
+	}
+
+	// micro error
+	if v, ok := err.(*errors.Error); ok {
+		return v
+	}
+
+	// grpc error
+	if s, ok := status.FromError(err); ok {
+		if e := errors.Parse(s.Message()); e.Code > 0 {
+			return e // actually a micro error
+		}
+		return errors.InternalServerError("go.micro.client", s.Message())
+	}
+
+	// do nothing
+	return err
+}
--- a/client/grpc/grpc.go
+++ b/client/grpc/grpc.go
@@ -0,0 +1,541 @@
+// Package grpc provides a gRPC client
+package grpc
+
+import (
+	"bytes"
+	"context"
+	"crypto/tls"
+	"fmt"
+	"sync"
+	"time"
+
+	"github.com/micro/go-micro/broker"
+	"github.com/micro/go-micro/client"
+	"github.com/micro/go-micro/cmd"
+	"github.com/micro/go-micro/codec"
+	"github.com/micro/go-micro/errors"
+	"github.com/micro/go-micro/metadata"
+	"github.com/micro/go-micro/registry"
+	"github.com/micro/go-micro/selector"
+	"github.com/micro/go-micro/transport"
+
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/encoding"
+	gmetadata "google.golang.org/grpc/metadata"
+)
+
+type grpcClient struct {
+	once sync.Once
+	opts client.Options
+	pool *pool
+}
+
+func init() {
+	encoding.RegisterCodec(jsonCodec{})
+	encoding.RegisterCodec(bytesCodec{})
+
+	cmd.DefaultClients["grpc"] = NewClient
+}
+
+// secure returns the dial option for whether its a secure or insecure connection
+func (g *grpcClient) secure() grpc.DialOption {
+	if g.opts.Context != nil {
+		if v := g.opts.Context.Value(tlsAuth{}); v != nil {
+			tls := v.(*tls.Config)
+			creds := credentials.NewTLS(tls)
+			return grpc.WithTransportCredentials(creds)
+		}
+	}
+	return grpc.WithInsecure()
+}
+
+func (g *grpcClient) next(request client.Request, opts client.CallOptions) (selector.Next, error) {
+	// return remote address
+	if len(opts.Address) > 0 {
+		return func() (*registry.Node, error) {
+			return &registry.Node{
+				Address: opts.Address,
+			}, nil
+		}, nil
+	}
+
+	// get next nodes from the selector
+	next, err := g.opts.Selector.Select(request.Service(), opts.SelectOptions...)
+	if err != nil && err == selector.ErrNotFound {
+		return nil, errors.NotFound("go.micro.client", err.Error())
+	} else if err != nil {
+		return nil, errors.InternalServerError("go.micro.client", err.Error())
+	}
+
+	return next, nil
+}
+
+func (g *grpcClient) call(ctx context.Context, node *registry.Node, req client.Request, rsp interface{}, opts client.CallOptions) error {
+	address := node.Address
+	if node.Port > 0 {
+		address = fmt.Sprintf("%s:%d", address, node.Port)
+	}
+
+	header := make(map[string]string)
+	if md, ok := metadata.FromContext(ctx); ok {
+		for k, v := range md {
+			header[k] = v
+		}
+	}
+
+	// set timeout in nanoseconds
+	header["timeout"] = fmt.Sprintf("%d", opts.RequestTimeout)
+	// set the content type for the request
+	header["x-content-type"] = req.ContentType()
+
+	md := gmetadata.New(header)
+	ctx = gmetadata.NewOutgoingContext(ctx, md)
+
+	cf, err := g.newGRPCCodec(req.ContentType())
+	if err != nil {
+		return errors.InternalServerError("go.micro.client", err.Error())
+	}
+
+	maxRecvMsgSize := g.maxRecvMsgSizeValue()
+	maxSendMsgSize := g.maxSendMsgSizeValue()
+
+	var grr error
+
+	cc, err := g.pool.getConn(address, grpc.WithDefaultCallOptions(grpc.CallCustomCodec(cf)),
+		grpc.WithTimeout(opts.DialTimeout), g.secure(),
+		grpc.WithDefaultCallOptions(
+			grpc.MaxCallRecvMsgSize(maxRecvMsgSize),
+			grpc.MaxCallSendMsgSize(maxSendMsgSize),
+		))
+	if err != nil {
+		return errors.InternalServerError("go.micro.client", fmt.Sprintf("Error sending request: %v", err))
+	}
+	defer func() {
+		// defer execution of release
+		g.pool.release(address, cc, grr)
+	}()
+
+	ch := make(chan error, 1)
+
+	go func() {
+		err := cc.Invoke(ctx, methodToGRPC(req.Endpoint(), req.Body()), req.Body(), rsp, grpc.CallContentSubtype(cf.String()))
+		ch <- microError(err)
+	}()
+
+	select {
+	case err := <-ch:
+		grr = err
+	case <-ctx.Done():
+		grr = ctx.Err()
+	}
+
+	return grr
+}
+
+func (g *grpcClient) stream(ctx context.Context, node *registry.Node, req client.Request, opts client.CallOptions) (client.Stream, error) {
+	address := node.Address
+	if node.Port > 0 {
+		address = fmt.Sprintf("%s:%d", address, node.Port)
+	}
+
+	header := make(map[string]string)
+	if md, ok := metadata.FromContext(ctx); ok {
+		for k, v := range md {
+			header[k] = v
+		}
+	}
+
+	// set timeout in nanoseconds
+	header["timeout"] = fmt.Sprintf("%d", opts.RequestTimeout)
+	// set the content type for the request
+	header["x-content-type"] = req.ContentType()
+
+	md := gmetadata.New(header)
+	ctx = gmetadata.NewOutgoingContext(ctx, md)
+
+	cf, err := g.newGRPCCodec(req.ContentType())
+	if err != nil {
+		return nil, errors.InternalServerError("go.micro.client", err.Error())
+	}
+
+	var dialCtx context.Context
+	var cancel context.CancelFunc
+	if opts.DialTimeout >= 0 {
+		dialCtx, cancel = context.WithTimeout(ctx, opts.DialTimeout)
+	} else {
+		dialCtx, cancel = context.WithCancel(ctx)
+	}
+	defer cancel()
+	cc, err := grpc.DialContext(dialCtx, address, grpc.WithDefaultCallOptions(grpc.CallCustomCodec(cf)), g.secure())
+	if err != nil {
+		return nil, errors.InternalServerError("go.micro.client", fmt.Sprintf("Error sending request: %v", err))
+	}
+
+	desc := &grpc.StreamDesc{
+		StreamName:    req.Service() + req.Endpoint(),
+		ClientStreams: true,
+		ServerStreams: true,
+	}
+
+	st, err := cc.NewStream(ctx, desc, methodToGRPC(req.Endpoint(), req.Body()), grpc.CallContentSubtype(cf.String()))
+	if err != nil {
+		return nil, errors.InternalServerError("go.micro.client", fmt.Sprintf("Error creating stream: %v", err))
+	}
+
+	return &grpcStream{
+		context: ctx,
+		request: req,
+		stream:  st,
+		conn:    cc,
+	}, nil
+}
+
+func (g *grpcClient) maxRecvMsgSizeValue() int {
+	if g.opts.Context == nil {
+		return DefaultMaxRecvMsgSize
+	}
+	v := g.opts.Context.Value(maxRecvMsgSizeKey{})
+	if v == nil {
+		return DefaultMaxRecvMsgSize
+	}
+	return v.(int)
+}
+
+func (g *grpcClient) maxSendMsgSizeValue() int {
+	if g.opts.Context == nil {
+		return DefaultMaxSendMsgSize
+	}
+	v := g.opts.Context.Value(maxSendMsgSizeKey{})
+	if v == nil {
+		return DefaultMaxSendMsgSize
+	}
+	return v.(int)
+}
+
+func (g *grpcClient) newGRPCCodec(contentType string) (grpc.Codec, error) {
+	codecs := make(map[string]encoding.Codec)
+	if g.opts.Context != nil {
+		if v := g.opts.Context.Value(codecsKey{}); v != nil {
+			codecs = v.(map[string]encoding.Codec)
+		}
+	}
+	if c, ok := codecs[contentType]; ok {
+		return wrapCodec{c}, nil
+	}
+	if c, ok := defaultGRPCCodecs[contentType]; ok {
+		return wrapCodec{c}, nil
+	}
+	return nil, fmt.Errorf("Unsupported Content-Type: %s", contentType)
+}
+
+func (g *grpcClient) newCodec(contentType string) (codec.NewCodec, error) {
+	if c, ok := g.opts.Codecs[contentType]; ok {
+		return c, nil
+	}
+	if cf, ok := defaultRPCCodecs[contentType]; ok {
+		return cf, nil
+	}
+	return nil, fmt.Errorf("Unsupported Content-Type: %s", contentType)
+}
+
+func (g *grpcClient) Init(opts ...client.Option) error {
+	size := g.opts.PoolSize
+	ttl := g.opts.PoolTTL
+
+	for _, o := range opts {
+		o(&g.opts)
+	}
+
+	// update pool configuration if the options changed
+	if size != g.opts.PoolSize || ttl != g.opts.PoolTTL {
+		g.pool.Lock()
+		g.pool.size = g.opts.PoolSize
+		g.pool.ttl = int64(g.opts.PoolTTL.Seconds())
+		g.pool.Unlock()
+	}
+
+	return nil
+}
+
+func (g *grpcClient) Options() client.Options {
+	return g.opts
+}
+
+func (g *grpcClient) NewMessage(topic string, msg interface{}, opts ...client.MessageOption) client.Message {
+	return newGRPCPublication(topic, msg, "application/octet-stream")
+}
+
+func (g *grpcClient) NewRequest(service, method string, req interface{}, reqOpts ...client.RequestOption) client.Request {
+	return newGRPCRequest(service, method, req, g.opts.ContentType, reqOpts...)
+}
+
+func (g *grpcClient) Call(ctx context.Context, req client.Request, rsp interface{}, opts ...client.CallOption) error {
+	// make a copy of call opts
+	callOpts := g.opts.CallOptions
+	for _, opt := range opts {
+		opt(&callOpts)
+	}
+
+	next, err := g.next(req, callOpts)
+	if err != nil {
+		return err
+	}
+
+	// check if we already have a deadline
+	d, ok := ctx.Deadline()
+	if !ok {
+		// no deadline so we create a new one
+		ctx, _ = context.WithTimeout(ctx, callOpts.RequestTimeout)
+	} else {
+		// got a deadline so no need to setup context
+		// but we need to set the timeout we pass along
+		opt := client.WithRequestTimeout(time.Until(d))
+		opt(&callOpts)
+	}
+
+	// should we noop right here?
+	select {
+	case <-ctx.Done():
+		return errors.New("go.micro.client", fmt.Sprintf("%v", ctx.Err()), 408)
+	default:
+	}
+
+	// make copy of call method
+	gcall := g.call
+
+	// wrap the call in reverse
+	for i := len(callOpts.CallWrappers); i > 0; i-- {
+		gcall = callOpts.CallWrappers[i-1](gcall)
+	}
+
+	// return errors.New("go.micro.client", "request timeout", 408)
+	call := func(i int) error {
+		// call backoff first. Someone may want an initial start delay
+		t, err := callOpts.Backoff(ctx, req, i)
+		if err != nil {
+			return errors.InternalServerError("go.micro.client", err.Error())
+		}
+
+		// only sleep if greater than 0
+		if t.Seconds() > 0 {
+			time.Sleep(t)
+		}
+
+		// select next node
+		node, err := next()
+		if err != nil && err == selector.ErrNotFound {
+			return errors.NotFound("go.micro.client", err.Error())
+		} else if err != nil {
+			return errors.InternalServerError("go.micro.client", err.Error())
+		}
+
+		// make the call
+		err = gcall(ctx, node, req, rsp, callOpts)
+		g.opts.Selector.Mark(req.Service(), node, err)
+		return err
+	}
+
+	ch := make(chan error, callOpts.Retries+1)
+	var gerr error
+
+	for i := 0; i <= callOpts.Retries; i++ {
+		go func() {
+			ch <- call(i)
+		}()
+
+		select {
+		case <-ctx.Done():
+			return errors.New("go.micro.client", fmt.Sprintf("%v", ctx.Err()), 408)
+		case err := <-ch:
+			// if the call succeeded lets bail early
+			if err == nil {
+				return nil
+			}
+
+			retry, rerr := callOpts.Retry(ctx, req, i, err)
+			if rerr != nil {
+				return rerr
+			}
+
+			if !retry {
+				return err
+			}
+
+			gerr = err
+		}
+	}
+
+	return gerr
+}
+
+func (g *grpcClient) Stream(ctx context.Context, req client.Request, opts ...client.CallOption) (client.Stream, error) {
+	// make a copy of call opts
+	callOpts := g.opts.CallOptions
+	for _, opt := range opts {
+		opt(&callOpts)
+	}
+
+	next, err := g.next(req, callOpts)
+	if err != nil {
+		return nil, err
+	}
+
+	// #200 - streams shouldn't have a request timeout set on the context
+
+	// should we noop right here?
+	select {
+	case <-ctx.Done():
+		return nil, errors.New("go.micro.client", fmt.Sprintf("%v", ctx.Err()), 408)
+	default:
+	}
+
+	call := func(i int) (client.Stream, error) {
+		// call backoff first. Someone may want an initial start delay
+		t, err := callOpts.Backoff(ctx, req, i)
+		if err != nil {
+			return nil, errors.InternalServerError("go.micro.client", err.Error())
+		}
+
+		// only sleep if greater than 0
+		if t.Seconds() > 0 {
+			time.Sleep(t)
+		}
+
+		node, err := next()
+		if err != nil && err == selector.ErrNotFound {
+			return nil, errors.NotFound("go.micro.client", err.Error())
+		} else if err != nil {
+			return nil, errors.InternalServerError("go.micro.client", err.Error())
+		}
+
+		stream, err := g.stream(ctx, node, req, callOpts)
+		g.opts.Selector.Mark(req.Service(), node, err)
+		return stream, err
+	}
+
+	type response struct {
+		stream client.Stream
+		err    error
+	}
+
+	ch := make(chan response, callOpts.Retries+1)
+	var grr error
+
+	for i := 0; i <= callOpts.Retries; i++ {
+		go func() {
+			s, err := call(i)
+			ch <- response{s, err}
+		}()
+
+		select {
+		case <-ctx.Done():
+			return nil, errors.New("go.micro.client", fmt.Sprintf("%v", ctx.Err()), 408)
+		case rsp := <-ch:
+			// if the call succeeded lets bail early
+			if rsp.err == nil {
+				return rsp.stream, nil
+			}
+
+			retry, rerr := callOpts.Retry(ctx, req, i, err)
+			if rerr != nil {
+				return nil, rerr
+			}
+
+			if !retry {
+				return nil, rsp.err
+			}
+
+			grr = rsp.err
+		}
+	}
+
+	return nil, grr
+}
+
+func (g *grpcClient) Publish(ctx context.Context, p client.Message, opts ...client.PublishOption) error {
+	md, ok := metadata.FromContext(ctx)
+	if !ok {
+		md = make(map[string]string)
+	}
+	md["Content-Type"] = p.ContentType()
+
+	cf, err := g.newCodec(p.ContentType())
+	if err != nil {
+		return errors.InternalServerError("go.micro.client", err.Error())
+	}
+
+	b := &buffer{bytes.NewBuffer(nil)}
+	if err := cf(b).Write(&codec.Message{Type: codec.Publication}, p.Payload()); err != nil {
+		return errors.InternalServerError("go.micro.client", err.Error())
+	}
+
+	g.once.Do(func() {
+		g.opts.Broker.Connect()
+	})
+
+	return g.opts.Broker.Publish(p.Topic(), &broker.Message{
+		Header: md,
+		Body:   b.Bytes(),
+	})
+}
+
+func (g *grpcClient) String() string {
+	return "grpc"
+}
+
+func newClient(opts ...client.Option) client.Client {
+	options := client.Options{
+		Codecs: make(map[string]codec.NewCodec),
+		CallOptions: client.CallOptions{
+			Backoff:        client.DefaultBackoff,
+			Retry:          client.DefaultRetry,
+			Retries:        client.DefaultRetries,
+			RequestTimeout: client.DefaultRequestTimeout,
+			DialTimeout:    transport.DefaultDialTimeout,
+		},
+		PoolSize: client.DefaultPoolSize,
+		PoolTTL:  client.DefaultPoolTTL,
+	}
+
+	for _, o := range opts {
+		o(&options)
+	}
+
+	if len(options.ContentType) == 0 {
+		options.ContentType = "application/grpc+proto"
+	}
+
+	if options.Broker == nil {
+		options.Broker = broker.DefaultBroker
+	}
+
+	if options.Registry == nil {
+		options.Registry = registry.DefaultRegistry
+	}
+
+	if options.Selector == nil {
+		options.Selector = selector.NewSelector(
+			selector.Registry(options.Registry),
+		)
+	}
+
+	rc := &grpcClient{
+		once: sync.Once{},
+		opts: options,
+		pool: newPool(options.PoolSize, options.PoolTTL),
+	}
+
+	c := client.Client(rc)
+
+	// wrap in reverse
+	for i := len(options.Wrappers); i > 0; i-- {
+		c = options.Wrappers[i-1](c)
+	}
+
+	return c
+}
+
+func NewClient(opts ...client.Option) client.Client {
+	return newClient(opts...)
+}
--- a/client/grpc/grpc_pool.go
+++ b/client/grpc/grpc_pool.go
@@ -0,0 +1,83 @@
+package grpc
+
+import (
+	"sync"
+	"time"
+
+	"google.golang.org/grpc"
+)
+
+type pool struct {
+	size int
+	ttl  int64
+
+	sync.Mutex
+	conns map[string][]*poolConn
+}
+
+type poolConn struct {
+	*grpc.ClientConn
+	created int64
+}
+
+func newPool(size int, ttl time.Duration) *pool {
+	return &pool{
+		size:  size,
+		ttl:   int64(ttl.Seconds()),
+		conns: make(map[string][]*poolConn),
+	}
+}
+
+func (p *pool) getConn(addr string, opts ...grpc.DialOption) (*poolConn, error) {
+	p.Lock()
+	conns := p.conns[addr]
+	now := time.Now().Unix()
+
+	// while we have conns check age and then return one
+	// otherwise we'll create a new conn
+	for len(conns) > 0 {
+		conn := conns[len(conns)-1]
+		conns = conns[:len(conns)-1]
+		p.conns[addr] = conns
+
+		// if conn is old kill it and move on
+		if d := now - conn.created; d > p.ttl {
+			conn.ClientConn.Close()
+			continue
+		}
+
+		// we got a good conn, lets unlock and return it
+		p.Unlock()
+
+		return conn, nil
+	}
+
+	p.Unlock()
+
+	// create new conn
+	cc, err := grpc.Dial(addr, opts...)
+	if err != nil {
+		return nil, err
+	}
+
+	return &poolConn{cc, time.Now().Unix()}, nil
+}
+
+func (p *pool) release(addr string, conn *poolConn, err error) {
+	// don't store the conn if it has errored
+	if err != nil {
+		conn.ClientConn.Close()
+		return
+	}
+
+	// otherwise put it back for reuse
+	p.Lock()
+	conns := p.conns[addr]
+	if len(conns) >= p.size {
+		p.Unlock()
+		conn.ClientConn.Close()
+		return
+	}
+	p.conns[addr] = append(conns, conn)
+	p.Unlock()
+}
--- a/client/grpc/grpc_pool_test.go
+++ b/client/grpc/grpc_pool_test.go
@@ -0,0 +1,64 @@
+package grpc
+
+import (
+	"net"
+	"testing"
+	"time"
+
+	"context"
+	"google.golang.org/grpc"
+	pgrpc "google.golang.org/grpc"
+	pb "google.golang.org/grpc/examples/helloworld/helloworld"
+)
+
+func testPool(t *testing.T, size int, ttl time.Duration) {
+	// setup server
+	l, err := net.Listen("tcp", ":0")
+	if err != nil {
+		t.Fatalf("failed to listen: %v", err)
+	}
+	defer l.Close()
+
+	s := pgrpc.NewServer()
+	pb.RegisterGreeterServer(s, &greeterServer{})
+
+	go s.Serve(l)
+	defer s.Stop()
+
+	// zero pool
+	p := newPool(size, ttl)
+
+	for i := 0; i < 10; i++ {
+		// get a conn
+		cc, err := p.getConn(l.Addr().String(), grpc.WithInsecure())
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		rsp := pb.HelloReply{}
+
+		err = cc.Invoke(context.TODO(), "/helloworld.Greeter/SayHello", &pb.HelloRequest{Name: "John"}, &rsp)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if rsp.Message != "Hello John" {
+			t.Fatalf("Got unexpected response %v", rsp.Message)
+		}
+
+		// release the conn
+		p.release(l.Addr().String(), cc, nil)
+
+		p.Lock()
+		if i := len(p.conns[l.Addr().String()]); i > size {
+			p.Unlock()
+			t.Fatalf("pool size %d is greater than expected %d", i, size)
+		}
+		p.Unlock()
+	}
+}
+
+func TestGRPCPool(t *testing.T) {
+	testPool(t, 0, time.Minute)
+	testPool(t, 2, time.Minute)
+}
--- a/client/grpc/grpc_test.go
+++ b/client/grpc/grpc_test.go
@@ -0,0 +1,91 @@
+package grpc
+
+import (
+	"context"
+	"net"
+	"strconv"
+	"strings"
+	"testing"
+
+	"github.com/micro/go-micro/client"
+	"github.com/micro/go-micro/registry"
+	"github.com/micro/go-micro/registry/memory"
+	"github.com/micro/go-micro/selector"
+	pgrpc "google.golang.org/grpc"
+	pb "google.golang.org/grpc/examples/helloworld/helloworld"
+)
+
+// server is used to implement helloworld.GreeterServer.
+type greeterServer struct{}
+
+// SayHello implements helloworld.GreeterServer
+func (g *greeterServer) SayHello(ctx context.Context, in *pb.HelloRequest) (*pb.HelloReply, error) {
+	return &pb.HelloReply{Message: "Hello " + in.Name}, nil
+}
+
+func TestGRPCClient(t *testing.T) {
+	l, err := net.Listen("tcp", ":0")
+	if err != nil {
+		t.Fatalf("failed to listen: %v", err)
+	}
+	defer l.Close()
+
+	s := pgrpc.NewServer()
+	pb.RegisterGreeterServer(s, &greeterServer{})
+
+	go s.Serve(l)
+	defer s.Stop()
+
+	parts := strings.Split(l.Addr().String(), ":")
+	port, _ := strconv.Atoi(parts[len(parts)-1])
+	addr := strings.Join(parts[:len(parts)-1], ":")
+
+	// create mock registry
+	r := memory.NewRegistry()
+
+	// register service
+	r.Register(&registry.Service{
+		Name:    "test",
+		Version: "test",
+		Nodes: []*registry.Node{
+			&registry.Node{
+				Id:      "test-1",
+				Address: addr,
+				Port:    port,
+			},
+		},
+	})
+
+	// create selector
+	se := selector.NewSelector(
+		selector.Registry(r),
+	)
+
+	// create client
+	c := NewClient(
+		client.Registry(r),
+		client.Selector(se),
+	)
+
+	testMethods := []string{
+		"/helloworld.Greeter/SayHello",
+		"Greeter.SayHello",
+	}
+
+	for _, method := range testMethods {
+		req := c.NewRequest("test", method, &pb.HelloRequest{
+			Name: "John",
+		})
+
+		rsp := pb.HelloReply{}
+
+		err = c.Call(context.TODO(), req, &rsp)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if rsp.Message != "Hello John" {
+			t.Fatalf("Got unexpected response %v", rsp.Message)
+		}
+	}
+}
--- a/client/grpc/message.go
+++ b/client/grpc/message.go
@@ -0,0 +1,40 @@
+package grpc
+
+import (
+	"github.com/micro/go-micro/client"
+)
+
+type grpcPublication struct {
+	topic       string
+	contentType string
+	payload     interface{}
+}
+
+func newGRPCPublication(topic string, payload interface{}, contentType string, opts ...client.MessageOption) client.Message {
+	var options client.MessageOptions
+	for _, o := range opts {
+		o(&options)
+	}
+
+	if len(options.ContentType) > 0 {
+		contentType = options.ContentType
+	}
+
+	return &grpcPublication{
+		payload:     payload,
+		topic:       topic,
+		contentType: contentType,
+	}
+}
+
+func (g *grpcPublication) ContentType() string {
+	return g.contentType
+}
+
+func (g *grpcPublication) Topic() string {
+	return g.topic
+}
+
+func (g *grpcPublication) Payload() interface{} {
+	return g.payload
+}
--- a/client/grpc/options.go
+++ b/client/grpc/options.go
@@ -0,0 +1,74 @@
+// Package grpc provides a gRPC options
+package grpc
+
+import (
+	"context"
+	"crypto/tls"
+
+	"github.com/micro/go-micro/client"
+	"google.golang.org/grpc/encoding"
+)
+
+var (
+	// DefaultMaxRecvMsgSize maximum message that client can receive
+	// (4 MB).
+	DefaultMaxRecvMsgSize = 1024 * 1024 * 4
+
+	// DefaultMaxSendMsgSize maximum message that client can send
+	// (4 MB).
+	DefaultMaxSendMsgSize = 1024 * 1024 * 4
+)
+
+type codecsKey struct{}
+type tlsAuth struct{}
+type maxRecvMsgSizeKey struct{}
+type maxSendMsgSizeKey struct{}
+
+// gRPC Codec to be used to encode/decode requests for a given content type
+func Codec(contentType string, c encoding.Codec) client.Option {
+	return func(o *client.Options) {
+		codecs := make(map[string]encoding.Codec)
+		if o.Context == nil {
+			o.Context = context.Background()
+		}
+		if v := o.Context.Value(codecsKey{}); v != nil {
+			codecs = v.(map[string]encoding.Codec)
+		}
+		codecs[contentType] = c
+		o.Context = context.WithValue(o.Context, codecsKey{}, codecs)
+	}
+}
+
+// AuthTLS should be used to setup a secure authentication using TLS
+func AuthTLS(t *tls.Config) client.Option {
+	return func(o *client.Options) {
+		if o.Context == nil {
+			o.Context = context.Background()
+		}
+		o.Context = context.WithValue(o.Context, tlsAuth{}, t)
+	}
+}
+
+//
+// MaxRecvMsgSize set the maximum size of message that client can receive.
+//
+func MaxRecvMsgSize(s int) client.Option {
+	return func(o *client.Options) {
+		if o.Context == nil {
+			o.Context = context.Background()
+		}
+		o.Context = context.WithValue(o.Context, maxRecvMsgSizeKey{}, s)
+	}
+}
+
+//
+// MaxSendMsgSize set the maximum size of message that client can send.
+//
+func MaxSendMsgSize(s int) client.Option {
+	return func(o *client.Options) {
+		if o.Context == nil {
+			o.Context = context.Background()
+		}
+		o.Context = context.WithValue(o.Context, maxSendMsgSizeKey{}, s)
+	}
+}
--- a/client/grpc/request.go
+++ b/client/grpc/request.go
@@ -0,0 +1,92 @@
+package grpc
+
+import (
+	"fmt"
+	"reflect"
+	"strings"
+
+	"github.com/micro/go-micro/client"
+	"github.com/micro/go-micro/codec"
+)
+
+type grpcRequest struct {
+	service     string
+	method      string
+	contentType string
+	request     interface{}
+	opts        client.RequestOptions
+}
+
+func methodToGRPC(method string, request interface{}) string {
+	// no method or already grpc method
+	if len(method) == 0 || method[0] == '/' {
+		return method
+	}
+	// can't operate on nil request
+	t := reflect.TypeOf(request)
+	if t == nil {
+		return method
+	}
+	// dereference
+	if t.Kind() == reflect.Ptr {
+		t = t.Elem()
+	}
+	// get package name
+	pParts := strings.Split(t.PkgPath(), "/")
+	pkg := pParts[len(pParts)-1]
+	// assume method is Foo.Bar
+	mParts := strings.Split(method, ".")
+	if len(mParts) != 2 {
+		return method
+	}
+	// return /pkg.Foo/Bar
+	return fmt.Sprintf("/%s.%s/%s", pkg, mParts[0], mParts[1])
+}
+
+func newGRPCRequest(service, method string, request interface{}, contentType string, reqOpts ...client.RequestOption) client.Request {
+	var opts client.RequestOptions
+	for _, o := range reqOpts {
+		o(&opts)
+	}
+
+	// set the content-type specified
+	if len(opts.ContentType) > 0 {
+		contentType = opts.ContentType
+	}
+
+	return &grpcRequest{
+		service:     service,
+		method:      method,
+		request:     request,
+		contentType: contentType,
+		opts:        opts,
+	}
+}
+
+func (g *grpcRequest) ContentType() string {
+	return g.contentType
+}
+
+func (g *grpcRequest) Service() string {
+	return g.service
+}
+
+func (g *grpcRequest) Method() string {
+	return g.method
+}
+
+func (g *grpcRequest) Endpoint() string {
+	return g.method
+}
+
+func (g *grpcRequest) Codec() codec.Writer {
+	return nil
+}
+
+func (g *grpcRequest) Body() interface{} {
+	return g.request
+}
+
+func (g *grpcRequest) Stream() bool {
+	return g.opts.Stream
+}
--- a/client/grpc/request_test.go
+++ b/client/grpc/request_test.go
@@ -0,0 +1,48 @@
+package grpc
+
+import (
+	"testing"
+
+	pb "google.golang.org/grpc/examples/helloworld/helloworld"
+)
+
+func TestMethodToGRPC(t *testing.T) {
+	testData := []struct {
+		method  string
+		expect  string
+		request interface{}
+	}{
+		{
+			"Greeter.SayHello",
+			"/helloworld.Greeter/SayHello",
+			new(pb.HelloRequest),
+		},
+		{
+			"/helloworld.Greeter/SayHello",
+			"/helloworld.Greeter/SayHello",
+			new(pb.HelloRequest),
+		},
+		{
+			"Greeter.SayHello",
+			"/helloworld.Greeter/SayHello",
+			pb.HelloRequest{},
+		},
+		{
+			"/helloworld.Greeter/SayHello",
+			"/helloworld.Greeter/SayHello",
+			pb.HelloRequest{},
+		},
+		{
+			"Greeter.SayHello",
+			"Greeter.SayHello",
+			nil,
+		},
+	}
+
+	for _, d := range testData {
+		method := methodToGRPC(d.method, d.request)
+		if method != d.expect {
+			t.Fatalf("expected %s got %s", d.expect, method)
+		}
+	}
+}
--- a/client/grpc/stream.go
+++ b/client/grpc/stream.go
@@ -0,0 +1,77 @@
+package grpc
+
+import (
+	"context"
+	"io"
+	"sync"
+
+	"github.com/micro/go-micro/client"
+	"google.golang.org/grpc"
+)
+
+// Implements the streamer interface
+type grpcStream struct {
+	sync.RWMutex
+	err     error
+	conn    *grpc.ClientConn
+	request client.Request
+	stream  grpc.ClientStream
+	context context.Context
+}
+
+func (g *grpcStream) Context() context.Context {
+	return g.context
+}
+
+func (g *grpcStream) Request() client.Request {
+	return g.request
+}
+
+func (g *grpcStream) Response() client.Response {
+	return nil
+}
+
+func (g *grpcStream) Send(msg interface{}) error {
+	if err := g.stream.SendMsg(msg); err != nil {
+		g.setError(err)
+		return err
+	}
+	return nil
+}
+
+func (g *grpcStream) Recv(msg interface{}) (err error) {
+	defer g.setError(err)
+	if err = g.stream.RecvMsg(msg); err != nil {
+		if err == io.EOF {
+			// #202 - inconsistent gRPC stream behavior
+			// the only way to tell if the stream is done is when we get a EOF on the Recv
+			// here we should close the underlying gRPC ClientConn
+			closeErr := g.conn.Close()
+			if closeErr != nil {
+				err = closeErr
+			}
+		}
+	}
+	return
+}
+
+func (g *grpcStream) Error() error {
+	g.RLock()
+	defer g.RUnlock()
+	return g.err
+}
+
+func (g *grpcStream) setError(e error) {
+	g.Lock()
+	g.err = e
+	g.Unlock()
+}
+
+// Close the gRPC send stream
+// #202 - inconsistent gRPC stream behavior
+// The underlying gRPC stream should not be closed here since the
+// stream should still be able to receive after this function call
+// TODO: should the conn be closed in another way?
+func (g *grpcStream) Close() error {
+	return g.stream.CloseSend()
+}
--- a/go.mod
+++ b/go.mod
@@ -1,119 +1,55 @@
 module github.com/micro/go-micro

 require (
-	cloud.google.com/go v0.39.0 // indirect
 	github.com/BurntSushi/toml v0.3.1
-	github.com/OneOfOne/xxhash v1.2.5 // indirect
-	github.com/armon/circbuf v0.0.0-20190214190532-5111143e8da2 // indirect
-	github.com/armon/go-metrics v0.0.0-20190430140413-ec5e00d3c878 // indirect
-	github.com/armon/go-radix v1.0.0 // indirect
 	github.com/beevik/ntp v0.2.0
 	github.com/bitly/go-simplejson v0.5.0
-	github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869 // indirect
 	github.com/bradfitz/gomemcache v0.0.0-20190329173943-551aad21a668
 	github.com/bwmarrin/discordgo v0.19.0
-	github.com/containerd/continuity v0.0.0-20190426062206-aaeac12a7ffc // indirect
-	github.com/coreos/bbolt v1.3.2 // indirect
 	github.com/coreos/etcd v3.3.13+incompatible
-	github.com/coreos/go-semver v0.3.0 // indirect
-	github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e // indirect
-	github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f // indirect
-	github.com/dgrijalva/jwt-go v3.2.0+incompatible // indirect
-	github.com/dgryski/go-sip13 v0.0.0-20190329191031-25c5027a8c7b // indirect
-	github.com/emirpasic/gods v1.12.0 // indirect
 	github.com/forestgiant/sliceutil v0.0.0-20160425183142-94783f95db6c
 	github.com/fsnotify/fsnotify v1.4.7
 	github.com/fsouza/go-dockerclient v1.4.1
-	github.com/garyburd/redigo v1.6.0 // indirect
 	github.com/ghodss/yaml v1.0.0
-	github.com/gliderlabs/ssh v0.1.4 // indirect
 	github.com/go-log/log v0.1.0
 	github.com/go-redsync/redsync v1.2.0
-	github.com/go-telegram-bot-api/telegram-bot-api v4.6.4+incompatible // indirect
-	github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef // indirect
-	github.com/golang/mock v1.3.1 // indirect
+	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b
 	github.com/golang/protobuf v1.3.1
 	github.com/gomodule/redigo v2.0.0+incompatible
-	github.com/google/btree v1.0.0 // indirect
-	github.com/google/pprof v0.0.0-20190515194954-54271f7e092f // indirect
 	github.com/google/uuid v1.1.1
-	github.com/grpc-ecosystem/go-grpc-middleware v1.0.0 // indirect
-	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
-	github.com/grpc-ecosystem/grpc-gateway v1.9.0 // indirect
+	github.com/gorilla/handlers v1.4.0
+	github.com/gorilla/websocket v1.4.0
+	github.com/grpc-ecosystem/grpc-gateway v1.9.0
+	github.com/hashicorp/consul v1.5.1
 	github.com/hashicorp/consul/api v1.1.0
-	github.com/hashicorp/go-immutable-radix v1.1.0 // indirect
-	github.com/hashicorp/go-msgpack v0.5.5 // indirect
-	github.com/hashicorp/go-sockaddr v1.0.2 // indirect
 	github.com/hashicorp/hcl v1.0.0
-	github.com/hashicorp/mdns v1.0.1 // indirect
 	github.com/hashicorp/memberlist v0.1.4
-	github.com/hashicorp/serf v0.8.3 // indirect
 	github.com/imdario/mergo v0.3.7
-	github.com/jonboulle/clockwork v0.1.0 // indirect
-	github.com/json-iterator/go v1.1.6 // indirect
-	github.com/kisielk/errcheck v1.2.0 // indirect
-	github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
-	github.com/kr/pty v1.1.4 // indirect
-	github.com/lusis/go-slackbot v0.0.0-20180109053408-401027ccfef5 // indirect
-	github.com/lusis/slack-test v0.0.0-20190426140909-c40012f20018 // indirect
-	github.com/mattn/go-colorable v0.1.2 // indirect
+	github.com/joncalhoun/qson v0.0.0-20170526102502-8a9cab3a62b1
+	github.com/json-iterator/go v1.1.6
 	github.com/micro/cli v0.2.0
+	github.com/micro/examples v0.1.0
+	github.com/micro/go-plugins v1.1.0
 	github.com/micro/mdns v0.1.0
-	github.com/miekg/dns v1.1.13 // indirect
-	github.com/mitchellh/go-homedir v1.1.0 // indirect
+	github.com/micro/micro v1.3.0
 	github.com/mitchellh/hashstructure v1.0.0
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.1 // indirect
-	github.com/nats-io/gnatsd v1.4.1 // indirect
-	github.com/nats-io/go-nats v1.7.2 // indirect
 	github.com/nats-io/nats.go v1.7.2
-	github.com/nats-io/nkeys v0.0.2 // indirect
-	github.com/nats-io/nuid v1.0.1 // indirect
 	github.com/nlopes/slack v0.5.0
-	github.com/onsi/ginkgo v1.8.0 // indirect
-	github.com/onsi/gomega v1.5.0 // indirect
 	github.com/pborman/uuid v1.2.0
 	github.com/pkg/errors v0.8.1
-	github.com/posener/complete v1.2.1 // indirect
-	github.com/prometheus/client_golang v0.9.3 // indirect
-	github.com/prometheus/common v0.4.1 // indirect
-	github.com/prometheus/procfs v0.0.1 // indirect
-	github.com/prometheus/tsdb v0.8.0 // indirect
-	github.com/rogpeppe/fastuuid v1.1.0 // indirect
-	github.com/sirupsen/logrus v1.4.2 // indirect
-	github.com/soheilhy/cmux v0.1.4 // indirect
-	github.com/spaolacci/murmur3 v1.1.0 // indirect
-	github.com/stretchr/objx v0.2.0 // indirect
-	github.com/technoweenie/multipartstreamer v1.0.1 // indirect
-	github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5 // indirect
-	github.com/xanzy/ssh-agent v0.2.1 // indirect
-	github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 // indirect
-	go.etcd.io/bbolt v1.3.2 // indirect
 	go.etcd.io/etcd v3.3.13+incompatible
-	go.opencensus.io v0.22.0 // indirect
-	go.uber.org/atomic v1.4.0 // indirect
-	go.uber.org/multierr v1.1.0 // indirect
-	go.uber.org/zap v1.10.0 // indirect
-	golang.org/x/crypto v0.0.0-20190530122614-20be4c3c3ed5 // indirect
-	golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522 // indirect
-	golang.org/x/image v0.0.0-20190523035834-f03afa92d3ff // indirect
-	golang.org/x/lint v0.0.0-20190409202823-959b441ac422 // indirect
-	golang.org/x/mobile v0.0.0-20190509164839-32b2708ab171 // indirect
-	golang.org/x/net v0.0.0-20190522155817-f3200d17e092
-	golang.org/x/oauth2 v0.0.0-20190523182746-aaccbc9213b0 // indirect
-	golang.org/x/sys v0.0.0-20190531132440-69e3a3a65b5b // indirect
-	golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 // indirect
-	golang.org/x/tools v0.0.0-20190530215528-75312fb06703 // indirect
-	google.golang.org/appengine v1.6.0 // indirect
-	google.golang.org/genproto v0.0.0-20190530194941-fb225487d101 // indirect
-	google.golang.org/grpc v1.21.0 // indirect
-	gopkg.in/bsm/ratelimit.v1 v1.0.0-20160220154919-db14e161995a // indirect
+	golang.org/x/crypto v0.0.0-20190530122614-20be4c3c3ed5
+	golang.org/x/mod v0.1.0 // indirect
+	golang.org/x/net v0.0.0-20190603091049-60506f45cf65
+	golang.org/x/sys v0.0.0-20190602015325-4c4f7f33c9ed // indirect
+	golang.org/x/tools v0.0.0-20190603152906-08e0b306e832 // indirect
+	google.golang.org/genproto v0.0.0-20190530194941-fb225487d101
+	google.golang.org/grpc v1.21.0
+	gopkg.in/go-playground/validator.v9 v9.29.0
 	gopkg.in/redis.v3 v3.6.4
-	gopkg.in/src-d/go-billy.v4 v4.3.0 // indirect
-	gopkg.in/src-d/go-git-fixtures.v3 v3.5.0 // indirect
 	gopkg.in/src-d/go-git.v4 v4.11.0
 	gopkg.in/telegram-bot-api.v4 v4.6.4
-	honnef.co/go/tools v0.0.0-20190530170028-a1efa522b896 // indirect
+	honnef.co/go/tools v0.0.0-20190602125119-5a4a2f4a438d // indirect
 )

 exclude sourcegraph.com/sourcegraph/go-diff v0.5.1
--- a/go.sum
+++ b/go.sum
--- a/proxy/README.md
+++ b/proxy/README.md
@@ -0,0 +1,25 @@
+# Go Proxy [![License](https://img.shields.io/:license-apache-blue.svg)](https://opensource.org/licenses/Apache-2.0) [![GoDoc](https://godoc.org/github.com/micro/go-proxy?status.svg)](https://godoc.org/github.com/micro/go-proxy)
+
+Go Proxy is a proxy library for Go Micro.
+
+## Overview
+
+Go Micro is a distributed systems framework for client/server communication. It handles the details 
+around discovery, fault tolerance, rpc communication, etc. We may want to leverage this in broader ecosystems 
+which make use of standard http or we may also want to offload a number of requirements to a single proxy.
+
+## Features
+
+- **Transparent Proxy** - Proxy requests to any micro services through a single location. Go Proxy enables 
+you to write Go Micro proxies which handle and forward requests. This is good for incorporating wrappers.
+
+- **Single Backend Router** - Enable the single backend router to proxy directly to your local app. The proxy 
+allows you to set a router which serves your backend service whether its http, grpc, etc.
+
+- **Protocol Aware Handler** - Set a request handler which speaks your app protocol to make outbound requests. 
+Your app may not speak the MUCP protocol so it may be easier to translate internally.
+
+- **Control Planes** - Additionally we support use of control planes to offload many distributed systems concerns.
+  * [x] [Consul](https://www.consul.io/docs/connect/native.html) - Using Connect-Native to provide secure mTLS.
+  * [x] [NATS](https://nats.io/) - Fully leveraging NATS as the control plane and data plane.
+
--- a/proxy/control/consul/consul.go
+++ b/proxy/control/consul/consul.go
@@ -0,0 +1,77 @@
+// Package consul provides Consul Connect control plane
+package consul
+
+import (
+	"log"
+
+	"github.com/hashicorp/consul/api"
+	"github.com/hashicorp/consul/connect"
+	"github.com/micro/go-micro"
+	"github.com/micro/go-micro/broker"
+	"github.com/micro/go-micro/registry/consul"
+	"github.com/micro/go-micro/transport"
+)
+
+type proxyService struct {
+	c *connect.Service
+	micro.Service
+}
+
+func newService(opts ...micro.Option) micro.Service {
+	// we need to use the consul registry to register connect applications
+	r := consul.NewRegistry(
+		consul.Connect(),
+	)
+
+	// pass in the registry as part of our options
+	newOpts := append([]micro.Option{micro.Registry(r)}, opts...)
+
+	// service := micro.NewService(newOpts...)
+	service := micro.NewService(newOpts...)
+
+	// get the consul address
+	addrs := service.Server().Options().Registry.Options().Addrs
+
+	// set the config
+	config := api.DefaultConfig()
+	if len(addrs) > 0 {
+		config.Address = addrs[0]
+	}
+
+	// create consul client
+	client, err := api.NewClient(api.DefaultConfig())
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// create connect service using the service name
+	svc, err := connect.NewService(service.Server().Options().Name, client)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// setup transport tls config
+	service.Options().Transport.Init(
+		transport.TLSConfig(svc.ServerTLSConfig()),
+	)
+
+	// setup broker tls config
+	service.Options().Broker.Init(
+		broker.TLSConfig(svc.ServerTLSConfig()),
+	)
+
+	// return a new proxy enabled service
+	return &proxyService{
+		c:       svc,
+		Service: service,
+	}
+}
+
+func (p *proxyService) String() string {
+	return "consul"
+}
+
+// NewService returns a Consul Connect-Native micro.Service
+func NewService(opts ...micro.Option) micro.Service {
+	return newService(opts...)
+}
--- a/proxy/control/nats/nats.go
+++ b/proxy/control/nats/nats.go
@@ -0,0 +1,30 @@
+// Package nats provides a NATS control plane
+package nats
+
+import (
+	"github.com/micro/go-micro"
+	broker "github.com/micro/go-plugins/broker/nats"
+	registry "github.com/micro/go-plugins/registry/nats"
+	transport "github.com/micro/go-plugins/transport/nats"
+)
+
+// NewService returns a NATS micro.Service
+func NewService(opts ...micro.Option) micro.Service {
+	// initialise nats components
+	b := broker.NewBroker()
+	r := registry.NewRegistry()
+	t := transport.NewTransport()
+
+	// create new options
+	options := []micro.Option{
+		micro.Broker(b),
+		micro.Registry(r),
+		micro.Transport(t),
+	}
+
+	// append user options
+	options = append(options, opts...)
+
+	// return a nats service
+	return micro.NewService(options...)
+}
--- a/proxy/proto/.proxy.proto.swp
+++ b/proxy/proto/.proxy.proto.swp
--- a/proxy/proto/proxy.micro.go
+++ b/proxy/proto/proxy.micro.go
@@ -0,0 +1,207 @@
+// Code generated by protoc-gen-micro. DO NOT EDIT.
+// source: github.com/micro/go-proxy/proto/proxy.proto
+
+/*
+Package proxy is a generated protocol buffer package.
+
+It is generated from these files:
+	github.com/micro/go-proxy/proto/proxy.proto
+
+It has these top-level messages:
+	Request
+	Response
+	Message
+	Empty
+*/
+package proxy
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+import (
+	context "context"
+	client "github.com/micro/go-micro/client"
+	server "github.com/micro/go-micro/server"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ client.Option
+var _ server.Option
+
+// Client API for Service service
+
+type Service interface {
+	Call(ctx context.Context, in *Request, opts ...client.CallOption) (*Response, error)
+	Stream(ctx context.Context, opts ...client.CallOption) (Service_StreamService, error)
+	Publish(ctx context.Context, in *Message, opts ...client.CallOption) (*Empty, error)
+}
+
+type service struct {
+	c    client.Client
+	name string
+}
+
+func NewService(name string, c client.Client) Service {
+	if c == nil {
+		c = client.NewClient()
+	}
+	if len(name) == 0 {
+		name = "proxy"
+	}
+	return &service{
+		c:    c,
+		name: name,
+	}
+}
+
+func (c *service) Call(ctx context.Context, in *Request, opts ...client.CallOption) (*Response, error) {
+	req := c.c.NewRequest(c.name, "Service.Call", in)
+	out := new(Response)
+	err := c.c.Call(ctx, req, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *service) Stream(ctx context.Context, opts ...client.CallOption) (Service_StreamService, error) {
+	req := c.c.NewRequest(c.name, "Service.Stream", &Request{})
+	stream, err := c.c.Stream(ctx, req, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return &serviceStream{stream}, nil
+}
+
+type Service_StreamService interface {
+	SendMsg(interface{}) error
+	RecvMsg(interface{}) error
+	Close() error
+	Send(*Request) error
+	Recv() (*Response, error)
+}
+
+type serviceStream struct {
+	stream client.Stream
+}
+
+func (x *serviceStream) Close() error {
+	return x.stream.Close()
+}
+
+func (x *serviceStream) SendMsg(m interface{}) error {
+	return x.stream.Send(m)
+}
+
+func (x *serviceStream) RecvMsg(m interface{}) error {
+	return x.stream.Recv(m)
+}
+
+func (x *serviceStream) Send(m *Request) error {
+	return x.stream.Send(m)
+}
+
+func (x *serviceStream) Recv() (*Response, error) {
+	m := new(Response)
+	err := x.stream.Recv(m)
+	if err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *service) Publish(ctx context.Context, in *Message, opts ...client.CallOption) (*Empty, error) {
+	req := c.c.NewRequest(c.name, "Service.Publish", in)
+	out := new(Empty)
+	err := c.c.Call(ctx, req, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// Server API for Service service
+
+type ServiceHandler interface {
+	Call(context.Context, *Request, *Response) error
+	Stream(context.Context, Service_StreamStream) error
+	Publish(context.Context, *Message, *Empty) error
+}
+
+func RegisterServiceHandler(s server.Server, hdlr ServiceHandler, opts ...server.HandlerOption) error {
+	type service interface {
+		Call(ctx context.Context, in *Request, out *Response) error
+		Stream(ctx context.Context, stream server.Stream) error
+		Publish(ctx context.Context, in *Message, out *Empty) error
+	}
+	type Service struct {
+		service
+	}
+	h := &serviceHandler{hdlr}
+	return s.Handle(s.NewHandler(&Service{h}, opts...))
+}
+
+type serviceHandler struct {
+	ServiceHandler
+}
+
+func (h *serviceHandler) Call(ctx context.Context, in *Request, out *Response) error {
+	return h.ServiceHandler.Call(ctx, in, out)
+}
+
+func (h *serviceHandler) Stream(ctx context.Context, stream server.Stream) error {
+	return h.ServiceHandler.Stream(ctx, &serviceStreamStream{stream})
+}
+
+type Service_StreamStream interface {
+	SendMsg(interface{}) error
+	RecvMsg(interface{}) error
+	Close() error
+	Send(*Response) error
+	Recv() (*Request, error)
+}
+
+type serviceStreamStream struct {
+	stream server.Stream
+}
+
+func (x *serviceStreamStream) Close() error {
+	return x.stream.Close()
+}
+
+func (x *serviceStreamStream) SendMsg(m interface{}) error {
+	return x.stream.Send(m)
+}
+
+func (x *serviceStreamStream) RecvMsg(m interface{}) error {
+	return x.stream.Recv(m)
+}
+
+func (x *serviceStreamStream) Send(m *Response) error {
+	return x.stream.Send(m)
+}
+
+func (x *serviceStreamStream) Recv() (*Request, error) {
+	m := new(Request)
+	if err := x.stream.Recv(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (h *serviceHandler) Publish(ctx context.Context, in *Message, out *Empty) error {
+	return h.ServiceHandler.Publish(ctx, in, out)
+}
--- a/proxy/proto/proxy.pb.go
+++ b/proxy/proto/proxy.pb.go
@@ -0,0 +1,345 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: github.com/micro/go-proxy/proto/proxy.proto
+
+package proxy
+
+import (
+	context "context"
+	fmt "fmt"
+	proto "github.com/golang/protobuf/proto"
+	grpc "google.golang.org/grpc"
+	math "math"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
+
+type Request struct {
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *Request) Reset()         { *m = Request{} }
+func (m *Request) String() string { return proto.CompactTextString(m) }
+func (*Request) ProtoMessage()    {}
+func (*Request) Descriptor() ([]byte, []int) {
+	return fileDescriptor_242fe7b9d67fe7d7, []int{0}
+}
+
+func (m *Request) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Request.Unmarshal(m, b)
+}
+func (m *Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Request.Marshal(b, m, deterministic)
+}
+func (m *Request) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Request.Merge(m, src)
+}
+func (m *Request) XXX_Size() int {
+	return xxx_messageInfo_Request.Size(m)
+}
+func (m *Request) XXX_DiscardUnknown() {
+	xxx_messageInfo_Request.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Request proto.InternalMessageInfo
+
+type Response struct {
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *Response) Reset()         { *m = Response{} }
+func (m *Response) String() string { return proto.CompactTextString(m) }
+func (*Response) ProtoMessage()    {}
+func (*Response) Descriptor() ([]byte, []int) {
+	return fileDescriptor_242fe7b9d67fe7d7, []int{1}
+}
+
+func (m *Response) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Response.Unmarshal(m, b)
+}
+func (m *Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Response.Marshal(b, m, deterministic)
+}
+func (m *Response) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Response.Merge(m, src)
+}
+func (m *Response) XXX_Size() int {
+	return xxx_messageInfo_Response.Size(m)
+}
+func (m *Response) XXX_DiscardUnknown() {
+	xxx_messageInfo_Response.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Response proto.InternalMessageInfo
+
+type Message struct {
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *Message) Reset()         { *m = Message{} }
+func (m *Message) String() string { return proto.CompactTextString(m) }
+func (*Message) ProtoMessage()    {}
+func (*Message) Descriptor() ([]byte, []int) {
+	return fileDescriptor_242fe7b9d67fe7d7, []int{2}
+}
+
+func (m *Message) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Message.Unmarshal(m, b)
+}
+func (m *Message) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Message.Marshal(b, m, deterministic)
+}
+func (m *Message) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Message.Merge(m, src)
+}
+func (m *Message) XXX_Size() int {
+	return xxx_messageInfo_Message.Size(m)
+}
+func (m *Message) XXX_DiscardUnknown() {
+	xxx_messageInfo_Message.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Message proto.InternalMessageInfo
+
+type Empty struct {
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *Empty) Reset()         { *m = Empty{} }
+func (m *Empty) String() string { return proto.CompactTextString(m) }
+func (*Empty) ProtoMessage()    {}
+func (*Empty) Descriptor() ([]byte, []int) {
+	return fileDescriptor_242fe7b9d67fe7d7, []int{3}
+}
+
+func (m *Empty) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Empty.Unmarshal(m, b)
+}
+func (m *Empty) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Empty.Marshal(b, m, deterministic)
+}
+func (m *Empty) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Empty.Merge(m, src)
+}
+func (m *Empty) XXX_Size() int {
+	return xxx_messageInfo_Empty.Size(m)
+}
+func (m *Empty) XXX_DiscardUnknown() {
+	xxx_messageInfo_Empty.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Empty proto.InternalMessageInfo
+
+func init() {
+	proto.RegisterType((*Request)(nil), "proxy.Request")
+	proto.RegisterType((*Response)(nil), "proxy.Response")
+	proto.RegisterType((*Message)(nil), "proxy.Message")
+	proto.RegisterType((*Empty)(nil), "proxy.Empty")
+}
+
+func init() {
+	proto.RegisterFile("github.com/micro/go-proxy/proto/proxy.proto", fileDescriptor_242fe7b9d67fe7d7)
+}
+
+var fileDescriptor_242fe7b9d67fe7d7 = []byte{
+	// 186 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xd2, 0x4e, 0xcf, 0x2c, 0xc9,
+	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0xcf, 0xcd, 0x4c, 0x2e, 0xca, 0xd7, 0x4f, 0xcf, 0xd7,
+	0x2d, 0x28, 0xca, 0xaf, 0xa8, 0xd4, 0x2f, 0x28, 0xca, 0x2f, 0xc9, 0xd7, 0x07, 0xb3, 0xf5, 0xc0,
+	0x6c, 0x21, 0x56, 0x30, 0x47, 0x89, 0x93, 0x8b, 0x3d, 0x28, 0xb5, 0xb0, 0x34, 0xb5, 0xb8, 0x44,
+	0x89, 0x8b, 0x8b, 0x23, 0x28, 0xb5, 0xb8, 0x20, 0x3f, 0xaf, 0x38, 0x15, 0x24, 0xec, 0x9b, 0x5a,
+	0x5c, 0x9c, 0x98, 0x9e, 0xaa, 0xc4, 0xce, 0xc5, 0xea, 0x9a, 0x5b, 0x50, 0x52, 0x69, 0x34, 0x81,
+	0x91, 0x8b, 0x3d, 0x38, 0xb5, 0xa8, 0x2c, 0x33, 0x39, 0x55, 0x48, 0x93, 0x8b, 0xc5, 0x39, 0x31,
+	0x27, 0x47, 0x88, 0x4f, 0x0f, 0x62, 0x26, 0xd4, 0x0c, 0x29, 0x7e, 0x38, 0x1f, 0x6a, 0x10, 0x83,
+	0x90, 0x3e, 0x17, 0x5b, 0x70, 0x49, 0x51, 0x6a, 0x62, 0x2e, 0x11, 0x8a, 0x35, 0x18, 0x0d, 0x18,
+	0x85, 0x34, 0xb9, 0xd8, 0x03, 0x4a, 0x93, 0x72, 0x32, 0x8b, 0x33, 0xe0, 0x3a, 0xa0, 0x6e, 0x91,
+	0xe2, 0x81, 0xf2, 0xc1, 0x0e, 0x52, 0x62, 0x48, 0x62, 0x03, 0xfb, 0xc5, 0x18, 0x10, 0x00, 0x00,
+	0xff, 0xff, 0x51, 0x0d, 0x40, 0x94, 0xfa, 0x00, 0x00, 0x00,
+}
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ grpc.ClientConn
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+const _ = grpc.SupportPackageIsVersion4
+
+// ServiceClient is the client API for Service service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
+type ServiceClient interface {
+	Call(ctx context.Context, in *Request, opts ...grpc.CallOption) (*Response, error)
+	Stream(ctx context.Context, opts ...grpc.CallOption) (Service_StreamClient, error)
+	Publish(ctx context.Context, in *Message, opts ...grpc.CallOption) (*Empty, error)
+}
+
+type serviceClient struct {
+	cc *grpc.ClientConn
+}
+
+func NewServiceClient(cc *grpc.ClientConn) ServiceClient {
+	return &serviceClient{cc}
+}
+
+func (c *serviceClient) Call(ctx context.Context, in *Request, opts ...grpc.CallOption) (*Response, error) {
+	out := new(Response)
+	err := c.cc.Invoke(ctx, "/proxy.Service/Call", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *serviceClient) Stream(ctx context.Context, opts ...grpc.CallOption) (Service_StreamClient, error) {
+	stream, err := c.cc.NewStream(ctx, &_Service_serviceDesc.Streams[0], "/proxy.Service/Stream", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &serviceStreamClient{stream}
+	return x, nil
+}
+
+type Service_StreamClient interface {
+	Send(*Request) error
+	Recv() (*Response, error)
+	grpc.ClientStream
+}
+
+type serviceStreamClient struct {
+	grpc.ClientStream
+}
+
+func (x *serviceStreamClient) Send(m *Request) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *serviceStreamClient) Recv() (*Response, error) {
+	m := new(Response)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *serviceClient) Publish(ctx context.Context, in *Message, opts ...grpc.CallOption) (*Empty, error) {
+	out := new(Empty)
+	err := c.cc.Invoke(ctx, "/proxy.Service/Publish", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// ServiceServer is the server API for Service service.
+type ServiceServer interface {
+	Call(context.Context, *Request) (*Response, error)
+	Stream(Service_StreamServer) error
+	Publish(context.Context, *Message) (*Empty, error)
+}
+
+func RegisterServiceServer(s *grpc.Server, srv ServiceServer) {
+	s.RegisterService(&_Service_serviceDesc, srv)
+}
+
+func _Service_Call_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(Request)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ServiceServer).Call(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/proxy.Service/Call",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ServiceServer).Call(ctx, req.(*Request))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Service_Stream_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(ServiceServer).Stream(&serviceStreamServer{stream})
+}
+
+type Service_StreamServer interface {
+	Send(*Response) error
+	Recv() (*Request, error)
+	grpc.ServerStream
+}
+
+type serviceStreamServer struct {
+	grpc.ServerStream
+}
+
+func (x *serviceStreamServer) Send(m *Response) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *serviceStreamServer) Recv() (*Request, error) {
+	m := new(Request)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func _Service_Publish_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(Message)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ServiceServer).Publish(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/proxy.Service/Publish",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ServiceServer).Publish(ctx, req.(*Message))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+var _Service_serviceDesc = grpc.ServiceDesc{
+	ServiceName: "proxy.Service",
+	HandlerType: (*ServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Call",
+			Handler:    _Service_Call_Handler,
+		},
+		{
+			MethodName: "Publish",
+			Handler:    _Service_Publish_Handler,
+		},
+	},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "Stream",
+			Handler:       _Service_Stream_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
+	},
+	Metadata: "github.com/micro/go-proxy/proto/proxy.proto",
+}
--- a/proxy/proto/proxy.proto
+++ b/proxy/proto/proxy.proto
@@ -0,0 +1,18 @@
+syntax = "proto3";
+
+package proxy;
+
+service Service {
+	rpc Call(Request) returns (Response) {};
+	rpc Stream(stream Request) returns (stream Response) {};
+	rpc Publish(Message) returns (Empty) {};
+	rpc Subscribe(Message) returns (stream Message) {};
+}
+
+message Request {}
+
+message Response {}
+
+message Message {}
+
+message Empty {}
--- a/proxy/router/grpc/grpc.go
+++ b/proxy/router/grpc/grpc.go
@@ -0,0 +1,235 @@
+// Package grpc transparently forwards the grpc protocol using a go-micro client.
+package grpc
+
+import (
+	"context"
+	"io"
+	"strings"
+
+	"github.com/micro/go-micro"
+	"github.com/micro/go-micro/client"
+	"github.com/micro/go-micro/codec"
+	"github.com/micro/go-micro/codec/bytes"
+	"github.com/micro/go-micro/server"
+	"github.com/micro/go-micro/service/grpc"
+)
+
+// Router will transparently proxy requests to the backend.
+// If no backend is specified it will call a service using the client.
+// If the service matches the Name it will use the server.DefaultRouter.
+type Router struct {
+	// Name of the local service. In the event it's to be left alone
+	Name string
+
+	// Backend is a single backend to route to
+	// If backend is of the form address:port it will call the address.
+	// Otherwise it will use it as the service name to call.
+	Backend string
+
+	// Endpoint specified the fixed endpoint to call.
+	// In the event you proxy to a fixed backend this lets you
+	// call a single endpoint
+	Endpoint string
+
+	// The client to use for outbound requests
+	Client client.Client
+}
+
+var (
+	// The default name of this local service
+	DefaultName = "go.micro.proxy"
+	// The default router
+	DefaultRouter = &Router{}
+)
+
+// read client request and write to server
+func readLoop(r server.Request, s client.Stream) error {
+	// request to backend server
+	req := s.Request()
+
+	for {
+		// get data from client
+		//  no need to decode it
+		body, err := r.Read()
+		if err == io.EOF {
+			return nil
+		}
+		if err != nil {
+			return err
+		}
+
+		// get the header from client
+		hdr := r.Header()
+		msg := &codec.Message{
+			Type:   codec.Request,
+			Header: hdr,
+			Body:   body,
+		}
+		// write the raw request
+		err = req.Codec().Write(msg, nil)
+		if err == io.EOF {
+			return nil
+		} else if err != nil {
+			return err
+		}
+	}
+}
+
+// ServeRequest honours the server.Router interface
+func (p *Router) ServeRequest(ctx context.Context, req server.Request, rsp server.Response) error {
+	// set the default name e.g local proxy
+	if p.Name == "" {
+		p.Name = DefaultName
+	}
+
+	// set default client
+	if p.Client == nil {
+		p.Client = client.DefaultClient
+	}
+
+	// check service route
+	if req.Service() == p.Name {
+		// use the default router
+		return server.DefaultRouter.ServeRequest(ctx, req, rsp)
+	}
+
+	opts := []client.CallOption{}
+
+	// service name
+	service := req.Service()
+	endpoint := req.Endpoint()
+
+	// call a specific backend
+	if len(p.Backend) > 0 {
+		// address:port
+		if parts := strings.Split(p.Backend, ":"); len(parts) > 0 {
+			opts = append(opts, client.WithAddress(p.Backend))
+			// use as service name
+		} else {
+			service = p.Backend
+		}
+	}
+
+	// call a specific endpoint
+	if len(p.Endpoint) > 0 {
+		endpoint = p.Endpoint
+	}
+
+	// read initial request
+	body, err := req.Read()
+	if err != nil {
+		return err
+	}
+
+	// create new request with raw bytes body
+	creq := p.Client.NewRequest(service, endpoint, &bytes.Frame{body}, client.WithContentType(req.ContentType()))
+
+	// create new stream
+	stream, err := p.Client.Stream(ctx, creq, opts...)
+	if err != nil {
+		return err
+	}
+	defer stream.Close()
+
+	// create client request read loop
+	go readLoop(req, stream)
+
+	// get raw response
+	resp := stream.Response()
+
+	// create server response write loop
+	for {
+		// read backend response body
+		body, err := resp.Read()
+		if err == io.EOF {
+			return nil
+		} else if err != nil {
+			return err
+		}
+
+		// read backend response header
+		hdr := resp.Header()
+
+		// write raw response header to client
+		rsp.WriteHeader(hdr)
+
+		// write raw response body to client
+		err = rsp.Write(body)
+		if err == io.EOF {
+			return nil
+		} else if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// NewSingleHostRouter returns a router which sends requests to a single backend
+//
+// It is used by setting it in a new micro service to act as a proxy for a backend.
+//
+// Usage:
+//
+// Create a new router to the http backend
+//
+// 	r := NewSingleHostRouter("localhost:10001")
+//
+// 	// Create your new service
+// 	service := micro.NewService(
+// 		micro.Name("greeter"),
+//		// Set the router
+//		http.WithRouter(r),
+// 	)
+//
+// 	// Run the service
+// 	service.Run()
+func NewSingleHostRouter(url string) *Router {
+	return &Router{
+		Backend: url,
+	}
+}
+
+// NewService returns a new proxy. It acts as a micro service proxy.
+// Any request on the transport is routed to via the client to a service.
+// In the event a backend is specified then it routes to that backend.
+// The name of the backend can be a local address:port or a service name.
+//
+// Usage:
+//
+//	New micro proxy routes via micro client to any service
+//
+// 	proxy := NewService()
+//
+//	OR with address:port routes to local service
+//
+// 	service := NewService(
+//		// Sets the default http endpoint
+//		proxy.WithBackend("localhost:10001"),
+//	 )
+//
+// 	OR with service name routes to a fixed backend service
+//
+// 	service := NewService(
+//		// Sets the backend service
+//		proxy.WithBackend("greeter"),
+//	 )
+//
+func NewService(opts ...micro.Option) micro.Service {
+	router := DefaultRouter
+	name := DefaultName
+
+	// prepend router to opts
+	opts = append([]micro.Option{
+		micro.Name(name),
+		WithRouter(router),
+	}, opts...)
+
+	// create the new service
+	service := grpc.NewService(opts...)
+
+	// set router name
+	router.Name = service.Server().Options().Name
+
+	return service
+}
--- a/proxy/router/grpc/options.go
+++ b/proxy/router/grpc/options.go
@@ -0,0 +1,32 @@
+package grpc
+
+import (
+	"github.com/micro/go-micro"
+	"github.com/micro/go-micro/server"
+)
+
+// WithBackend provides an option to set the proxy backend url
+func WithBackend(url string) micro.Option {
+	return func(o *micro.Options) {
+		// get the router
+		r := o.Server.Options().Router
+
+		// not set
+		if r == nil {
+			r = DefaultRouter
+			o.Server.Init(server.WithRouter(r))
+		}
+
+		// check its a proxy router
+		if proxyRouter, ok := r.(*Router); ok {
+			proxyRouter.Backend = url
+		}
+	}
+}
+
+// WithRouter provides an option to set the proxy router
+func WithRouter(r server.Router) micro.Option {
+	return func(o *micro.Options) {
+		o.Server.Init(server.WithRouter(r))
+	}
+}
--- a/proxy/router/http/http.go
+++ b/proxy/router/http/http.go
@@ -0,0 +1,177 @@
+// Package http provides a micro rpc to http proxy
+package http
+
+import (
+	"bytes"
+	"context"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"net/url"
+	"path"
+
+	"github.com/micro/go-micro"
+	"github.com/micro/go-micro/errors"
+	"github.com/micro/go-micro/server"
+)
+
+// Router will proxy rpc requests as http POST requests. It is a server.Router
+type Router struct {
+	// The http backend to call
+	Backend string
+
+	// first request
+	first bool
+}
+
+var (
+	// The default backend
+	DefaultBackend = "http://localhost:9090"
+	// The default router
+	DefaultRouter = &Router{}
+)
+
+func getMethod(hdr map[string]string) string {
+	switch hdr["Micro-Method"] {
+	case "GET", "HEAD", "POST", "PUT", "DELETE", "CONNECT", "OPTIONS", "TRACE", "PATCH":
+		return hdr["Micro-Method"]
+	default:
+		return "POST"
+	}
+}
+
+func getEndpoint(hdr map[string]string) string {
+	ep := hdr["Micro-Endpoint"]
+	if len(ep) > 0 && ep[0] == '/' {
+		return ep
+	}
+	return ""
+}
+
+// ServeRequest honours the server.Router interface
+func (p *Router) ServeRequest(ctx context.Context, req server.Request, rsp server.Response) error {
+	if p.Backend == "" {
+		p.Backend = DefaultBackend
+	}
+
+	for {
+		// get data
+		body, err := req.Read()
+		if err == io.EOF {
+			return nil
+		}
+		if err != nil {
+			return err
+		}
+
+		// get the header
+		hdr := req.Header()
+
+		// get method
+		method := getMethod(hdr)
+
+		// get endpoint
+		endpoint := getEndpoint(hdr)
+
+		// set the endpoint
+		if len(endpoint) == 0 {
+			endpoint = p.Backend
+		} else {
+			// add endpoint to backend
+			u, err := url.Parse(p.Backend)
+			if err != nil {
+				return errors.InternalServerError(req.Service(), err.Error())
+			}
+			u.Path = path.Join(u.Path, endpoint)
+			endpoint = u.String()
+		}
+
+		// send to backend
+		hreq, err := http.NewRequest(method, endpoint, bytes.NewReader(body))
+		if err != nil {
+			return errors.InternalServerError(req.Service(), err.Error())
+		}
+
+		// set the headers
+		for k, v := range hdr {
+			hreq.Header.Set(k, v)
+		}
+
+		// make the call
+		hrsp, err := http.DefaultClient.Do(hreq)
+		if err != nil {
+			return errors.InternalServerError(req.Service(), err.Error())
+		}
+
+		// read body
+		b, err := ioutil.ReadAll(hrsp.Body)
+		hrsp.Body.Close()
+		if err != nil {
+			return errors.InternalServerError(req.Service(), err.Error())
+		}
+
+		// set response headers
+		hdr = map[string]string{}
+		for k, _ := range hrsp.Header {
+			hdr[k] = hrsp.Header.Get(k)
+		}
+		// write the header
+		rsp.WriteHeader(hdr)
+		// write the body
+		err = rsp.Write(b)
+		if err == io.EOF {
+			return nil
+		}
+		if err != nil {
+			return errors.InternalServerError(req.Service(), err.Error())
+		}
+	}
+
+	return nil
+}
+
+// NewSingleHostRouter returns a router which sends requests to a single http backend
+//
+// It is used by setting it in a new micro service to act as a proxy for a http backend.
+//
+// Usage:
+//
+// Create a new router to the http backend
+//
+// 	r := NewSingleHostRouter("http://localhost:10001")
+//
+// 	// Create your new service
+// 	service := micro.NewService(
+// 		micro.Name("greeter"),
+//		// Set the router
+//		http.WithRouter(r),
+// 	)
+//
+// 	// Run the service
+// 	service.Run()
+func NewSingleHostRouter(url string) *Router {
+	return &Router{
+		Backend: url,
+	}
+}
+
+// NewService returns a new http proxy. It acts as a micro service proxy.
+// Any request on the transport is routed to a fixed http backend.
+//
+// Usage:
+//
+// 	service := NewService(
+//		micro.Name("greeter"),
+//		// Sets the default http endpoint
+//		http.WithBackend("http://localhost:10001"),
+//	 )
+//
+func NewService(opts ...micro.Option) micro.Service {
+	// prepend router to opts
+	opts = append([]micro.Option{
+		WithRouter(DefaultRouter),
+	}, opts...)
+
+	// create the new service
+	return micro.NewService(opts...)
+}
--- a/proxy/router/http/http_test.go
+++ b/proxy/router/http/http_test.go
@@ -0,0 +1,122 @@
+package http
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"net/http"
+	"sync"
+	"testing"
+
+	"github.com/micro/go-micro"
+	"github.com/micro/go-micro/client"
+	"github.com/micro/go-micro/registry/memory"
+	"github.com/micro/go-micro/server"
+)
+
+type testHandler struct{}
+
+func (t *testHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	w.Write([]byte(`{"hello": "world"}`))
+}
+
+func TestHTTPRouter(t *testing.T) {
+	c, err := net.Listen("tcp", "localhost:0")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer c.Close()
+	addr := c.Addr().String()
+
+	url := fmt.Sprintf("http://%s", addr)
+
+	testCases := []struct {
+		// http endpoint to call e.g /foo/bar
+		httpEp string
+		// rpc endpoint called e.g Foo.Bar
+		rpcEp string
+		// should be an error
+		err bool
+	}{
+		{"/", "Foo.Bar", false},
+		{"/", "Foo.Baz", false},
+		{"/helloworld", "Hello.World", true},
+	}
+
+	// handler
+	http.Handle("/", new(testHandler))
+
+	// new proxy
+	p := NewSingleHostRouter(url)
+
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	var wg sync.WaitGroup
+	wg.Add(1)
+
+	// new micro service
+	service := micro.NewService(
+		micro.Context(ctx),
+		micro.Name("foobar"),
+		micro.Registry(memory.NewRegistry()),
+		micro.AfterStart(func() error {
+			wg.Done()
+			return nil
+		}),
+	)
+
+	// set router
+	service.Server().Init(
+		server.WithRouter(p),
+	)
+
+	// run service
+	// server
+	go http.Serve(c, nil)
+	go service.Run()
+
+	// wait till service is started
+	wg.Wait()
+
+	for _, test := range testCases {
+		req := service.Client().NewRequest("foobar", test.rpcEp, map[string]string{"foo": "bar"}, client.WithContentType("application/json"))
+		var rsp map[string]string
+		err := service.Client().Call(ctx, req, &rsp)
+		if err != nil && test.err == false {
+			t.Fatal(err)
+		}
+		if v := rsp["hello"]; v != "world" {
+			t.Fatalf("Expected hello world got %s from %s", v, test.rpcEp)
+		}
+	}
+}
+
+func TestHTTPRouterOptions(t *testing.T) {
+	// test endpoint
+	service := NewService(
+		WithBackend("http://foo.bar"),
+	)
+
+	r := service.Server().Options().Router
+	httpRouter, ok := r.(*Router)
+	if !ok {
+		t.Fatal("Expected http router to be installed")
+	}
+	if httpRouter.Backend != "http://foo.bar" {
+		t.Fatalf("Expected endpoint http://foo.bar got %v", httpRouter.Backend)
+	}
+
+	// test router
+	service = NewService(
+		WithRouter(&Router{Backend: "http://foo2.bar"}),
+	)
+	r = service.Server().Options().Router
+	httpRouter, ok = r.(*Router)
+	if !ok {
+		t.Fatal("Expected http router to be installed")
+	}
+	if httpRouter.Backend != "http://foo2.bar" {
+		t.Fatalf("Expected endpoint http://foo2.bar got %v", httpRouter.Backend)
+	}
+}
--- a/proxy/router/http/options.go
+++ b/proxy/router/http/options.go
@@ -0,0 +1,32 @@
+package http
+
+import (
+	"github.com/micro/go-micro"
+	"github.com/micro/go-micro/server"
+)
+
+// WithBackend provides an option to set the http backend url
+func WithBackend(url string) micro.Option {
+	return func(o *micro.Options) {
+		// get the router
+		r := o.Server.Options().Router
+
+		// not set
+		if r == nil {
+			r = DefaultRouter
+			o.Server.Init(server.WithRouter(r))
+		}
+
+		// check its a http router
+		if httpRouter, ok := r.(*Router); ok {
+			httpRouter.Backend = url
+		}
+	}
+}
+
+// WithRouter provides an option to set the http router
+func WithRouter(r server.Router) micro.Option {
+	return func(o *micro.Options) {
+		o.Server.Init(server.WithRouter(r))
+	}
+}
--- a/proxy/router/mucp/mucp.go
+++ b/proxy/router/mucp/mucp.go
@@ -0,0 +1,234 @@
+// Package mucp transparently forwards the incoming request using a go-micro client.
+package mucp
+
+import (
+	"context"
+	"io"
+	"strings"
+
+	"github.com/micro/go-micro"
+	"github.com/micro/go-micro/client"
+	"github.com/micro/go-micro/codec"
+	"github.com/micro/go-micro/codec/bytes"
+	"github.com/micro/go-micro/server"
+)
+
+// Router will transparently proxy requests to the backend.
+// If no backend is specified it will call a service using the client.
+// If the service matches the Name it will use the server.DefaultRouter.
+type Router struct {
+	// Name of the local service. In the event it's to be left alone
+	Name string
+
+	// Backend is a single backend to route to
+	// If backend is of the form address:port it will call the address.
+	// Otherwise it will use it as the service name to call.
+	Backend string
+
+	// Endpoint specified the fixed endpoint to call.
+	// In the event you proxy to a fixed backend this lets you
+	// call a single endpoint
+	Endpoint string
+
+	// The client to use for outbound requests
+	Client client.Client
+}
+
+var (
+	// The default name of this local service
+	DefaultName = "go.micro.proxy"
+	// The default router
+	DefaultRouter = &Router{}
+)
+
+// read client request and write to server
+func readLoop(r server.Request, s client.Stream) error {
+	// request to backend server
+	req := s.Request()
+
+	for {
+		// get data from client
+		//  no need to decode it
+		body, err := r.Read()
+		if err == io.EOF {
+			return nil
+		}
+		if err != nil {
+			return err
+		}
+
+		// get the header from client
+		hdr := r.Header()
+		msg := &codec.Message{
+			Type:   codec.Request,
+			Header: hdr,
+			Body:   body,
+		}
+		// write the raw request
+		err = req.Codec().Write(msg, nil)
+		if err == io.EOF {
+			return nil
+		} else if err != nil {
+			return err
+		}
+	}
+}
+
+// ServeRequest honours the server.Router interface
+func (p *Router) ServeRequest(ctx context.Context, req server.Request, rsp server.Response) error {
+	// set the default name e.g local proxy
+	if p.Name == "" {
+		p.Name = DefaultName
+	}
+
+	// set default client
+	if p.Client == nil {
+		p.Client = client.DefaultClient
+	}
+
+	// check service route
+	if req.Service() == p.Name {
+		// use the default router
+		return server.DefaultRouter.ServeRequest(ctx, req, rsp)
+	}
+
+	opts := []client.CallOption{}
+
+	// service name
+	service := req.Service()
+	endpoint := req.Endpoint()
+
+	// call a specific backend
+	if len(p.Backend) > 0 {
+		// address:port
+		if parts := strings.Split(p.Backend, ":"); len(parts) > 0 {
+			opts = append(opts, client.WithAddress(p.Backend))
+			// use as service name
+		} else {
+			service = p.Backend
+		}
+	}
+
+	// call a specific endpoint
+	if len(p.Endpoint) > 0 {
+		endpoint = p.Endpoint
+	}
+
+	// read initial request
+	body, err := req.Read()
+	if err != nil {
+		return err
+	}
+
+	// create new request with raw bytes body
+	creq := p.Client.NewRequest(service, endpoint, &bytes.Frame{body}, client.WithContentType(req.ContentType()))
+
+	// create new stream
+	stream, err := p.Client.Stream(ctx, creq, opts...)
+	if err != nil {
+		return err
+	}
+	defer stream.Close()
+
+	// create client request read loop
+	go readLoop(req, stream)
+
+	// get raw response
+	resp := stream.Response()
+
+	// create server response write loop
+	for {
+		// read backend response body
+		body, err := resp.Read()
+		if err == io.EOF {
+			return nil
+		} else if err != nil {
+			return err
+		}
+
+		// read backend response header
+		hdr := resp.Header()
+
+		// write raw response header to client
+		rsp.WriteHeader(hdr)
+
+		// write raw response body to client
+		err = rsp.Write(body)
+		if err == io.EOF {
+			return nil
+		} else if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// NewSingleHostRouter returns a router which sends requests to a single backend
+//
+// It is used by setting it in a new micro service to act as a proxy for a backend.
+//
+// Usage:
+//
+// Create a new router to the http backend
+//
+// 	r := NewSingleHostRouter("localhost:10001")
+//
+// 	// Create your new service
+// 	service := micro.NewService(
+// 		micro.Name("greeter"),
+//		// Set the router
+//		http.WithRouter(r),
+// 	)
+//
+// 	// Run the service
+// 	service.Run()
+func NewSingleHostRouter(url string) *Router {
+	return &Router{
+		Backend: url,
+	}
+}
+
+// NewService returns a new proxy. It acts as a micro service proxy.
+// Any request on the transport is routed to via the client to a service.
+// In the event a backend is specified then it routes to that backend.
+// The name of the backend can be a local address:port or a service name.
+//
+// Usage:
+//
+//	New micro proxy routes via micro client to any service
+//
+// 	proxy := NewService()
+//
+//	OR with address:port routes to local service
+//
+// 	service := NewService(
+//		// Sets the default http endpoint
+//		proxy.WithBackend("localhost:10001"),
+//	 )
+//
+// 	OR with service name routes to a fixed backend service
+//
+// 	service := NewService(
+//		// Sets the backend service
+//		proxy.WithBackend("greeter"),
+//	 )
+//
+func NewService(opts ...micro.Option) micro.Service {
+	router := DefaultRouter
+	name := DefaultName
+
+	// prepend router to opts
+	opts = append([]micro.Option{
+		micro.Name(name),
+		WithRouter(router),
+	}, opts...)
+
+	// create the new service
+	service := micro.NewService(opts...)
+
+	// set router name
+	router.Name = service.Server().Options().Name
+
+	return service
+}
--- a/proxy/router/mucp/options.go
+++ b/proxy/router/mucp/options.go
@@ -0,0 +1,32 @@
+package mucp
+
+import (
+	"github.com/micro/go-micro"
+	"github.com/micro/go-micro/server"
+)
+
+// WithBackend provides an option to set the proxy backend url
+func WithBackend(url string) micro.Option {
+	return func(o *micro.Options) {
+		// get the router
+		r := o.Server.Options().Router
+
+		// not set
+		if r == nil {
+			r = DefaultRouter
+			o.Server.Init(server.WithRouter(r))
+		}
+
+		// check its a proxy router
+		if proxyRouter, ok := r.(*Router); ok {
+			proxyRouter.Backend = url
+		}
+	}
+}
+
+// WithRouter provides an option to set the proxy router
+func WithRouter(r server.Router) micro.Option {
+	return func(o *micro.Options) {
+		o.Server.Init(server.WithRouter(r))
+	}
+}
--- a/server/grpc/README.md
+++ b/server/grpc/README.md
@@ -0,0 +1,30 @@
+# GRPC Server
+
+The grpc server is a [micro.Server](https://godoc.org/github.com/micro/go-micro/server#Server) compatible server.
+
+## Overview
+
+The server makes use of the [google.golang.org/grpc](google.golang.org/grpc) framework for the underlying server 
+but continues to use micro handler signatures and protoc-gen-micro generated code.
+
+## Usage
+
+Specify the server to your micro service
+
+```go
+import (
+        "github.com/micro/go-micro"
+        "github.com/micro/go-plugins/server/grpc"
+)
+
+func main() {
+        service := micro.NewService(
+                // This needs to be first as it replaces the underlying server
+                // which causes any configuration set before it
+                // to be discarded
+                micro.Server(grpc.NewServer()),
+                micro.Name("greeter"),
+        )
+}
+```
+**NOTE**: Setting the gRPC server and/or client causes the underlying the server/client to be replaced which causes any previous configuration set on that server/client to be discarded. It is therefore recommended to set gRPC server/client before any other configuration
--- a/server/grpc/buffer.go
+++ b/server/grpc/buffer.go
@@ -0,0 +1,14 @@
+package grpc
+
+import (
+	"bytes"
+)
+
+type buffer struct {
+	*bytes.Buffer
+}
+
+func (b *buffer) Close() error {
+	b.Buffer.Reset()
+	return nil
+}
--- a/server/grpc/codec.go
+++ b/server/grpc/codec.go
@@ -0,0 +1,82 @@
+package grpc
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"github.com/golang/protobuf/proto"
+	"github.com/micro/go-micro/codec"
+	"github.com/micro/go-micro/codec/jsonrpc"
+	"github.com/micro/go-micro/codec/protorpc"
+	"google.golang.org/grpc/encoding"
+)
+
+type jsonCodec struct{}
+type bytesCodec struct{}
+type protoCodec struct{}
+
+var (
+	defaultGRPCCodecs = map[string]encoding.Codec{
+		"application/json":         jsonCodec{},
+		"application/proto":        protoCodec{},
+		"application/protobuf":     protoCodec{},
+		"application/octet-stream": protoCodec{},
+		"application/grpc":         protoCodec{},
+		"application/grpc+json":    jsonCodec{},
+		"application/grpc+proto":   protoCodec{},
+		"application/grpc+bytes":   bytesCodec{},
+	}
+
+	defaultRPCCodecs = map[string]codec.NewCodec{
+		"application/json":         jsonrpc.NewCodec,
+		"application/json-rpc":     jsonrpc.NewCodec,
+		"application/protobuf":     protorpc.NewCodec,
+		"application/proto-rpc":    protorpc.NewCodec,
+		"application/octet-stream": protorpc.NewCodec,
+	}
+)
+
+func (protoCodec) Marshal(v interface{}) ([]byte, error) {
+	return proto.Marshal(v.(proto.Message))
+}
+
+func (protoCodec) Unmarshal(data []byte, v interface{}) error {
+	return proto.Unmarshal(data, v.(proto.Message))
+}
+
+func (protoCodec) Name() string {
+	return "proto"
+}
+
+func (jsonCodec) Marshal(v interface{}) ([]byte, error) {
+	return json.Marshal(v)
+}
+
+func (jsonCodec) Unmarshal(data []byte, v interface{}) error {
+	return json.Unmarshal(data, v)
+}
+
+func (jsonCodec) Name() string {
+	return "json"
+}
+
+func (bytesCodec) Marshal(v interface{}) ([]byte, error) {
+	b, ok := v.(*[]byte)
+	if !ok {
+		return nil, fmt.Errorf("failed to marshal: %v is not type of *[]byte", v)
+	}
+	return *b, nil
+}
+
+func (bytesCodec) Unmarshal(data []byte, v interface{}) error {
+	b, ok := v.(*[]byte)
+	if !ok {
+		return fmt.Errorf("failed to unmarshal: %v is not type of *[]byte", v)
+	}
+	*b = data
+	return nil
+}
+
+func (bytesCodec) Name() string {
+	return "bytes"
+}
--- a/server/grpc/debug.go
+++ b/server/grpc/debug.go
@@ -0,0 +1,15 @@
+package grpc
+
+import (
+	"github.com/micro/go-micro/server"
+	"github.com/micro/go-micro/server/debug"
+)
+
+// We use this to wrap any debug handlers so we preserve the signature Debug.{Method}
+type Debug struct {
+	debug.DebugHandler
+}
+
+func registerDebugHandler(s server.Server) {
+	s.Handle(s.NewHandler(&Debug{s.Options().DebugHandler}, server.InternalHandler(true)))
+}
--- a/server/grpc/error.go
+++ b/server/grpc/error.go
@@ -0,0 +1,42 @@
+package grpc
+
+import (
+	"net/http"
+
+	"github.com/micro/go-micro/errors"
+	"google.golang.org/grpc/codes"
+)
+
+func microError(err *errors.Error) codes.Code {
+	switch err {
+	case nil:
+		return codes.OK
+	}
+
+	switch err.Code {
+	case http.StatusOK:
+		return codes.OK
+	case http.StatusBadRequest:
+		return codes.InvalidArgument
+	case http.StatusRequestTimeout:
+		return codes.DeadlineExceeded
+	case http.StatusNotFound:
+		return codes.NotFound
+	case http.StatusConflict:
+		return codes.AlreadyExists
+	case http.StatusForbidden:
+		return codes.PermissionDenied
+	case http.StatusUnauthorized:
+		return codes.Unauthenticated
+	case http.StatusPreconditionFailed:
+		return codes.FailedPrecondition
+	case http.StatusNotImplemented:
+		return codes.Unimplemented
+	case http.StatusInternalServerError:
+		return codes.Internal
+	case http.StatusServiceUnavailable:
+		return codes.Unavailable
+	}
+
+	return codes.Unknown
+}
--- a/server/grpc/extractor.go
+++ b/server/grpc/extractor.go
@@ -0,0 +1,120 @@
+package grpc
+
+import (
+	"fmt"
+	"reflect"
+	"strings"
+
+	"github.com/micro/go-micro/registry"
+)
+
+func extractValue(v reflect.Type, d int) *registry.Value {
+	if d == 3 {
+		return nil
+	}
+	if v == nil {
+		return nil
+	}
+
+	if v.Kind() == reflect.Ptr {
+		v = v.Elem()
+	}
+
+	arg := &registry.Value{
+		Name: v.Name(),
+		Type: v.Name(),
+	}
+
+	switch v.Kind() {
+	case reflect.Struct:
+		for i := 0; i < v.NumField(); i++ {
+			f := v.Field(i)
+			val := extractValue(f.Type, d+1)
+			if val == nil {
+				continue
+			}
+
+			// if we can find a json tag use it
+			if tags := f.Tag.Get("json"); len(tags) > 0 {
+				parts := strings.Split(tags, ",")
+				if parts[0] == "-" || parts[0] == "omitempty" {
+					continue
+				}
+				val.Name = parts[0]
+			}
+
+			// if there's no name default it
+			if len(val.Name) == 0 {
+				val.Name = v.Field(i).Name
+			}
+
+			arg.Values = append(arg.Values, val)
+		}
+	case reflect.Slice:
+		p := v.Elem()
+		if p.Kind() == reflect.Ptr {
+			p = p.Elem()
+		}
+		arg.Type = "[]" + p.Name()
+		val := extractValue(v.Elem(), d+1)
+		if val != nil {
+			arg.Values = append(arg.Values, val)
+		}
+	}
+
+	return arg
+}
+
+func extractEndpoint(method reflect.Method) *registry.Endpoint {
+	if method.PkgPath != "" {
+		return nil
+	}
+
+	var rspType, reqType reflect.Type
+	var stream bool
+	mt := method.Type
+
+	switch mt.NumIn() {
+	case 3:
+		reqType = mt.In(1)
+		rspType = mt.In(2)
+	case 4:
+		reqType = mt.In(2)
+		rspType = mt.In(3)
+	default:
+		return nil
+	}
+
+	// are we dealing with a stream?
+	switch rspType.Kind() {
+	case reflect.Func, reflect.Interface:
+		stream = true
+	}
+
+	request := extractValue(reqType, 0)
+	response := extractValue(rspType, 0)
+
+	return &registry.Endpoint{
+		Name:     method.Name,
+		Request:  request,
+		Response: response,
+		Metadata: map[string]string{
+			"stream": fmt.Sprintf("%v", stream),
+		},
+	}
+}
+
+func extractSubValue(typ reflect.Type) *registry.Value {
+	var reqType reflect.Type
+	switch typ.NumIn() {
+	case 1:
+		reqType = typ.In(0)
+	case 2:
+		reqType = typ.In(1)
+	case 3:
+		reqType = typ.In(2)
+	default:
+		return nil
+	}
+	return extractValue(reqType, 0)
+}
--- a/server/grpc/extractor_test.go
+++ b/server/grpc/extractor_test.go
@@ -0,0 +1,65 @@
+package grpc
+
+import (
+	"context"
+	"reflect"
+	"testing"
+
+	"github.com/micro/go-micro/registry"
+)
+
+type testHandler struct{}
+
+type testRequest struct{}
+
+type testResponse struct{}
+
+func (t *testHandler) Test(ctx context.Context, req *testRequest, rsp *testResponse) error {
+	return nil
+}
+
+func TestExtractEndpoint(t *testing.T) {
+	handler := &testHandler{}
+	typ := reflect.TypeOf(handler)
+
+	var endpoints []*registry.Endpoint
+
+	for m := 0; m < typ.NumMethod(); m++ {
+		if e := extractEndpoint(typ.Method(m)); e != nil {
+			endpoints = append(endpoints, e)
+		}
+	}
+
+	if i := len(endpoints); i != 1 {
+		t.Errorf("Expected 1 endpoint, have %d", i)
+	}
+
+	if endpoints[0].Name != "Test" {
+		t.Errorf("Expected handler Test, got %s", endpoints[0].Name)
+	}
+
+	if endpoints[0].Request == nil {
+		t.Error("Expected non nil request")
+	}
+
+	if endpoints[0].Response == nil {
+		t.Error("Expected non nil request")
+	}
+
+	if endpoints[0].Request.Name != "testRequest" {
+		t.Errorf("Expected testRequest got %s", endpoints[0].Request.Name)
+	}
+
+	if endpoints[0].Response.Name != "testResponse" {
+		t.Errorf("Expected testResponse got %s", endpoints[0].Response.Name)
+	}
+
+	if endpoints[0].Request.Type != "testRequest" {
+		t.Errorf("Expected testRequest type got %s", endpoints[0].Request.Type)
+	}
+
+	if endpoints[0].Response.Type != "testResponse" {
+		t.Errorf("Expected testResponse type got %s", endpoints[0].Response.Type)
+	}
+
+}
--- a/server/grpc/grpc.go
+++ b/server/grpc/grpc.go
@@ -0,0 +1,731 @@
+// Package grpc provides a grpc server
+package grpc
+
+import (
+	"context"
+	"crypto/tls"
+	"fmt"
+	"net"
+	"reflect"
+	"sort"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/micro/go-micro/broker"
+	"github.com/micro/go-micro/cmd"
+	"github.com/micro/go-micro/codec"
+	"github.com/micro/go-micro/errors"
+	meta "github.com/micro/go-micro/metadata"
+	"github.com/micro/go-micro/registry"
+	"github.com/micro/go-micro/server"
+	"github.com/micro/go-micro/util/addr"
+	mgrpc "github.com/micro/go-micro/util/grpc"
+	"github.com/micro/go-micro/util/log"
+
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/encoding"
+	"google.golang.org/grpc/metadata"
+	"google.golang.org/grpc/status"
+)
+
+var (
+	// DefaultMaxMsgSize define maximum message size that server can send
+	// or receive.  Default value is 4MB.
+	DefaultMaxMsgSize = 1024 * 1024 * 4
+)
+
+const (
+	defaultContentType = "application/grpc"
+)
+
+type grpcServer struct {
+	rpc  *rServer
+	srv  *grpc.Server
+	exit chan chan error
+	wg   *sync.WaitGroup
+
+	sync.RWMutex
+	opts        server.Options
+	handlers    map[string]server.Handler
+	subscribers map[*subscriber][]broker.Subscriber
+	// used for first registration
+	registered bool
+}
+
+func init() {
+	encoding.RegisterCodec(jsonCodec{})
+	encoding.RegisterCodec(bytesCodec{})
+
+	cmd.DefaultServers["grpc"] = NewServer
+}
+
+func newGRPCServer(opts ...server.Option) server.Server {
+	options := newOptions(opts...)
+
+	// create a grpc server
+	srv := &grpcServer{
+		opts: options,
+		rpc: &rServer{
+			serviceMap: make(map[string]*service),
+		},
+		handlers:    make(map[string]server.Handler),
+		subscribers: make(map[*subscriber][]broker.Subscriber),
+		exit:        make(chan chan error),
+		wg:          wait(options.Context),
+	}
+
+	// configure the grpc server
+	srv.configure()
+
+	return srv
+}
+
+func (g *grpcServer) configure(opts ...server.Option) {
+	// Don't reprocess where there's no config
+	if len(opts) == 0 && g.srv != nil {
+		return
+	}
+
+	for _, o := range opts {
+		o(&g.opts)
+	}
+
+	maxMsgSize := g.getMaxMsgSize()
+
+	gopts := []grpc.ServerOption{
+		grpc.MaxRecvMsgSize(maxMsgSize),
+		grpc.MaxSendMsgSize(maxMsgSize),
+		grpc.UnknownServiceHandler(g.handler),
+	}
+
+	if creds := g.getCredentials(); creds != nil {
+		gopts = append(gopts, grpc.Creds(creds))
+	}
+
+	if opts := g.getGrpcOptions(); opts != nil {
+		gopts = append(gopts, opts...)
+	}
+
+	g.srv = grpc.NewServer(gopts...)
+}
+
+func (g *grpcServer) getMaxMsgSize() int {
+	if g.opts.Context == nil {
+		return DefaultMaxMsgSize
+	}
+	s, ok := g.opts.Context.Value(maxMsgSizeKey{}).(int)
+	if !ok {
+		return DefaultMaxMsgSize
+	}
+	return s
+}
+
+func (g *grpcServer) getCredentials() credentials.TransportCredentials {
+	if g.opts.Context != nil {
+		if v := g.opts.Context.Value(tlsAuth{}); v != nil {
+			tls := v.(*tls.Config)
+			return credentials.NewTLS(tls)
+		}
+	}
+	return nil
+}
+
+func (g *grpcServer) getGrpcOptions() []grpc.ServerOption {
+	if g.opts.Context == nil {
+		return nil
+	}
+
+	v := g.opts.Context.Value(grpcOptions{})
+
+	if v == nil {
+		return nil
+	}
+
+	opts, ok := v.([]grpc.ServerOption)
+
+	if !ok {
+		return nil
+	}
+
+	return opts
+}
+
+func (g *grpcServer) handler(srv interface{}, stream grpc.ServerStream) error {
+	if g.wg != nil {
+		g.wg.Add(1)
+		defer g.wg.Done()
+	}
+
+	fullMethod, ok := grpc.MethodFromServerStream(stream)
+	if !ok {
+		return grpc.Errorf(codes.Internal, "method does not exist in context")
+	}
+
+	serviceName, methodName, err := mgrpc.ServiceMethod(fullMethod)
+	if err != nil {
+		return status.New(codes.InvalidArgument, err.Error()).Err()
+	}
+
+	g.rpc.mu.Lock()
+	service := g.rpc.serviceMap[serviceName]
+	g.rpc.mu.Unlock()
+
+	if service == nil {
+		return status.New(codes.Unimplemented, fmt.Sprintf("unknown service %v", service)).Err()
+	}
+
+	mtype := service.method[methodName]
+	if mtype == nil {
+		return status.New(codes.Unimplemented, fmt.Sprintf("unknown service %v", service)).Err()
+	}
+
+	// get grpc metadata
+	gmd, ok := metadata.FromIncomingContext(stream.Context())
+	if !ok {
+		gmd = metadata.MD{}
+	}
+
+	// copy the metadata to go-micro.metadata
+	md := meta.Metadata{}
+	for k, v := range gmd {
+		md[k] = strings.Join(v, ", ")
+	}
+
+	// timeout for server deadline
+	to := md["timeout"]
+
+	// get content type
+	ct := defaultContentType
+	if ctype, ok := md["x-content-type"]; ok {
+		ct = ctype
+	}
+
+	delete(md, "x-content-type")
+	delete(md, "timeout")
+
+	// create new context
+	ctx := meta.NewContext(stream.Context(), md)
+
+	// set the timeout if we have it
+	if len(to) > 0 {
+		if n, err := strconv.ParseUint(to, 10, 64); err == nil {
+			ctx, _ = context.WithTimeout(ctx, time.Duration(n))
+		}
+	}
+
+	// process unary
+	if !mtype.stream {
+		return g.processRequest(stream, service, mtype, ct, ctx)
+	}
+
+	// process stream
+	return g.processStream(stream, service, mtype, ct, ctx)
+}
+
+func (g *grpcServer) processRequest(stream grpc.ServerStream, service *service, mtype *methodType, ct string, ctx context.Context) error {
+	for {
+		var argv, replyv reflect.Value
+
+		// Decode the argument value.
+		argIsValue := false // if true, need to indirect before calling.
+		if mtype.ArgType.Kind() == reflect.Ptr {
+			argv = reflect.New(mtype.ArgType.Elem())
+		} else {
+			argv = reflect.New(mtype.ArgType)
+			argIsValue = true
+		}
+
+		// Unmarshal request
+		if err := stream.RecvMsg(argv.Interface()); err != nil {
+			return err
+		}
+
+		if argIsValue {
+			argv = argv.Elem()
+		}
+
+		// reply value
+		replyv = reflect.New(mtype.ReplyType.Elem())
+
+		function := mtype.method.Func
+		var returnValues []reflect.Value
+
+		cc, err := g.newGRPCCodec(ct)
+		if err != nil {
+			return errors.InternalServerError("go.micro.server", err.Error())
+		}
+		b, err := cc.Marshal(argv.Interface())
+		if err != nil {
+			return err
+		}
+
+		// create a client.Request
+		r := &rpcRequest{
+			service:     g.opts.Name,
+			contentType: ct,
+			method:      fmt.Sprintf("%s.%s", service.name, mtype.method.Name),
+			body:        b,
+			payload:     argv.Interface(),
+		}
+
+		// define the handler func
+		fn := func(ctx context.Context, req server.Request, rsp interface{}) error {
+			returnValues = function.Call([]reflect.Value{service.rcvr, mtype.prepareContext(ctx), reflect.ValueOf(argv.Interface()), reflect.ValueOf(rsp)})
+
+			// The return value for the method is an error.
+			if err := returnValues[0].Interface(); err != nil {
+				return err.(error)
+			}
+
+			return nil
+		}
+
+		// wrap the handler func
+		for i := len(g.opts.HdlrWrappers); i > 0; i-- {
+			fn = g.opts.HdlrWrappers[i-1](fn)
+		}
+
+		statusCode := codes.OK
+		statusDesc := ""
+
+		// execute the handler
+		if appErr := fn(ctx, r, replyv.Interface()); appErr != nil {
+			if err, ok := appErr.(*rpcError); ok {
+				statusCode = err.code
+				statusDesc = err.desc
+			} else if err, ok := appErr.(*errors.Error); ok {
+				statusCode = microError(err)
+				statusDesc = appErr.Error()
+			} else {
+				statusCode = convertCode(appErr)
+				statusDesc = appErr.Error()
+			}
+			return status.New(statusCode, statusDesc).Err()
+		}
+		if err := stream.SendMsg(replyv.Interface()); err != nil {
+			return err
+		}
+		return status.New(statusCode, statusDesc).Err()
+	}
+}
+
+func (g *grpcServer) processStream(stream grpc.ServerStream, service *service, mtype *methodType, ct string, ctx context.Context) error {
+	opts := g.opts
+
+	r := &rpcRequest{
+		service:     opts.Name,
+		contentType: ct,
+		method:      fmt.Sprintf("%s.%s", service.name, mtype.method.Name),
+		stream:      true,
+	}
+
+	ss := &rpcStream{
+		request: r,
+		s:       stream,
+	}
+
+	function := mtype.method.Func
+	var returnValues []reflect.Value
+
+	// Invoke the method, providing a new value for the reply.
+	fn := func(ctx context.Context, req server.Request, stream interface{}) error {
+		returnValues = function.Call([]reflect.Value{service.rcvr, mtype.prepareContext(ctx), reflect.ValueOf(stream)})
+		if err := returnValues[0].Interface(); err != nil {
+			return err.(error)
+		}
+
+		return nil
+	}
+
+	for i := len(opts.HdlrWrappers); i > 0; i-- {
+		fn = opts.HdlrWrappers[i-1](fn)
+	}
+
+	statusCode := codes.OK
+	statusDesc := ""
+
+	appErr := fn(ctx, r, ss)
+	if appErr != nil {
+		if err, ok := appErr.(*rpcError); ok {
+			statusCode = err.code
+			statusDesc = err.desc
+		} else if err, ok := appErr.(*errors.Error); ok {
+			statusCode = microError(err)
+			statusDesc = appErr.Error()
+		} else {
+			statusCode = convertCode(appErr)
+			statusDesc = appErr.Error()
+		}
+	}
+
+	return status.New(statusCode, statusDesc).Err()
+}
+
+func (g *grpcServer) newGRPCCodec(contentType string) (encoding.Codec, error) {
+	codecs := make(map[string]encoding.Codec)
+	if g.opts.Context != nil {
+		if v := g.opts.Context.Value(codecsKey{}); v != nil {
+			codecs = v.(map[string]encoding.Codec)
+		}
+	}
+	if c, ok := codecs[contentType]; ok {
+		return c, nil
+	}
+	if c, ok := defaultGRPCCodecs[contentType]; ok {
+		return c, nil
+	}
+	return nil, fmt.Errorf("Unsupported Content-Type: %s", contentType)
+}
+
+func (g *grpcServer) newCodec(contentType string) (codec.NewCodec, error) {
+	if cf, ok := g.opts.Codecs[contentType]; ok {
+		return cf, nil
+	}
+	if cf, ok := defaultRPCCodecs[contentType]; ok {
+		return cf, nil
+	}
+	return nil, fmt.Errorf("Unsupported Content-Type: %s", contentType)
+}
+
+func (g *grpcServer) Options() server.Options {
+	opts := g.opts
+	return opts
+}
+
+func (g *grpcServer) Init(opts ...server.Option) error {
+	g.configure(opts...)
+	return nil
+}
+
+func (g *grpcServer) NewHandler(h interface{}, opts ...server.HandlerOption) server.Handler {
+	return newRpcHandler(h, opts...)
+}
+
+func (g *grpcServer) Handle(h server.Handler) error {
+	if err := g.rpc.register(h.Handler()); err != nil {
+		return err
+	}
+
+	g.handlers[h.Name()] = h
+	return nil
+}
+
+func (g *grpcServer) NewSubscriber(topic string, sb interface{}, opts ...server.SubscriberOption) server.Subscriber {
+	return newSubscriber(topic, sb, opts...)
+}
+
+func (g *grpcServer) Subscribe(sb server.Subscriber) error {
+	sub, ok := sb.(*subscriber)
+	if !ok {
+		return fmt.Errorf("invalid subscriber: expected *subscriber")
+	}
+	if len(sub.handlers) == 0 {
+		return fmt.Errorf("invalid subscriber: no handler functions")
+	}
+
+	if err := validateSubscriber(sb); err != nil {
+		return err
+	}
+
+	g.Lock()
+
+	_, ok = g.subscribers[sub]
+	if ok {
+		return fmt.Errorf("subscriber %v already exists", sub)
+	}
+	g.subscribers[sub] = nil
+	g.Unlock()
+	return nil
+}
+
+func (g *grpcServer) Register() error {
+	// parse address for host, port
+	config := g.opts
+	var advt, host string
+	var port int
+
+	// check the advertise address first
+	// if it exists then use it, otherwise
+	// use the address
+	if len(config.Advertise) > 0 {
+		advt = config.Advertise
+	} else {
+		advt = config.Address
+	}
+
+	parts := strings.Split(advt, ":")
+	if len(parts) > 1 {
+		host = strings.Join(parts[:len(parts)-1], ":")
+		port, _ = strconv.Atoi(parts[len(parts)-1])
+	} else {
+		host = parts[0]
+	}
+
+	addr, err := addr.Extract(host)
+	if err != nil {
+		return err
+	}
+
+	// register service
+	node := &registry.Node{
+		Id:       config.Name + "-" + config.Id,
+		Address:  addr,
+		Port:     port,
+		Metadata: config.Metadata,
+	}
+
+	node.Metadata["broker"] = config.Broker.String()
+	node.Metadata["registry"] = config.Registry.String()
+	node.Metadata["server"] = g.String()
+	node.Metadata["transport"] = g.String()
+	// node.Metadata["transport"] = config.Transport.String()
+
+	g.RLock()
+	// Maps are ordered randomly, sort the keys for consistency
+	var handlerList []string
+	for n, e := range g.handlers {
+		// Only advertise non internal handlers
+		if !e.Options().Internal {
+			handlerList = append(handlerList, n)
+		}
+	}
+	sort.Strings(handlerList)
+
+	var subscriberList []*subscriber
+	for e := range g.subscribers {
+		// Only advertise non internal subscribers
+		if !e.Options().Internal {
+			subscriberList = append(subscriberList, e)
+		}
+	}
+	sort.Slice(subscriberList, func(i, j int) bool {
+		return subscriberList[i].topic > subscriberList[j].topic
+	})
+
+	var endpoints []*registry.Endpoint
+	for _, n := range handlerList {
+		endpoints = append(endpoints, g.handlers[n].Endpoints()...)
+	}
+	for _, e := range subscriberList {
+		endpoints = append(endpoints, e.Endpoints()...)
+	}
+	g.RUnlock()
+
+	service := &registry.Service{
+		Name:      config.Name,
+		Version:   config.Version,
+		Nodes:     []*registry.Node{node},
+		Endpoints: endpoints,
+	}
+
+	g.Lock()
+	registered := g.registered
+	g.Unlock()
+
+	if !registered {
+		log.Logf("Registering node: %s", node.Id)
+	}
+
+	// create registry options
+	rOpts := []registry.RegisterOption{registry.RegisterTTL(config.RegisterTTL)}
+
+	if err := config.Registry.Register(service, rOpts...); err != nil {
+		return err
+	}
+
+	// already registered? don't need to register subscribers
+	if registered {
+		return nil
+	}
+
+	g.Lock()
+	defer g.Unlock()
+
+	g.registered = true
+
+	for sb, _ := range g.subscribers {
+		handler := g.createSubHandler(sb, g.opts)
+		var opts []broker.SubscribeOption
+		if queue := sb.Options().Queue; len(queue) > 0 {
+			opts = append(opts, broker.Queue(queue))
+		}
+
+		if !sb.Options().AutoAck {
+			opts = append(opts, broker.DisableAutoAck())
+		}
+
+		sub, err := config.Broker.Subscribe(sb.Topic(), handler, opts...)
+		if err != nil {
+			return err
+		}
+		g.subscribers[sb] = []broker.Subscriber{sub}
+	}
+
+	return nil
+}
+
+func (g *grpcServer) Deregister() error {
+	config := g.opts
+	var advt, host string
+	var port int
+
+	// check the advertise address first
+	// if it exists then use it, otherwise
+	// use the address
+	if len(config.Advertise) > 0 {
+		advt = config.Advertise
+	} else {
+		advt = config.Address
+	}
+
+	parts := strings.Split(advt, ":")
+	if len(parts) > 1 {
+		host = strings.Join(parts[:len(parts)-1], ":")
+		port, _ = strconv.Atoi(parts[len(parts)-1])
+	} else {
+		host = parts[0]
+	}
+
+	addr, err := addr.Extract(host)
+	if err != nil {
+		return err
+	}
+
+	node := &registry.Node{
+		Id:      config.Name + "-" + config.Id,
+		Address: addr,
+		Port:    port,
+	}
+
+	service := &registry.Service{
+		Name:    config.Name,
+		Version: config.Version,
+		Nodes:   []*registry.Node{node},
+	}
+
+	log.Logf("Deregistering node: %s", node.Id)
+	if err := config.Registry.Deregister(service); err != nil {
+		return err
+	}
+
+	g.Lock()
+
+	if !g.registered {
+		g.Unlock()
+		return nil
+	}
+
+	g.registered = false
+
+	for sb, subs := range g.subscribers {
+		for _, sub := range subs {
+			log.Logf("Unsubscribing from topic: %s", sub.Topic())
+			sub.Unsubscribe()
+		}
+		g.subscribers[sb] = nil
+	}
+
+	g.Unlock()
+	return nil
+}
+
+func (g *grpcServer) Start() error {
+	registerDebugHandler(g)
+	config := g.opts
+
+	// micro: config.Transport.Listen(config.Address)
+	ts, err := net.Listen("tcp", config.Address)
+	if err != nil {
+		return err
+	}
+
+	log.Logf("Server [grpc] Listening on %s", ts.Addr().String())
+	g.Lock()
+	g.opts.Address = ts.Addr().String()
+	g.Unlock()
+
+	// connect to the broker
+	if err := config.Broker.Connect(); err != nil {
+		return err
+	}
+
+	log.Logf("Broker [%s] Listening on %s", config.Broker.String(), config.Broker.Address())
+
+	// announce self to the world
+	if err := g.Register(); err != nil {
+		log.Log("Server register error: ", err)
+	}
+
+	// micro: go ts.Accept(s.accept)
+	go func() {
+		if err := g.srv.Serve(ts); err != nil {
+			log.Log("gRPC Server start error: ", err)
+		}
+	}()
+
+	go func() {
+		t := new(time.Ticker)
+
+		// only process if it exists
+		if g.opts.RegisterInterval > time.Duration(0) {
+			// new ticker
+			t = time.NewTicker(g.opts.RegisterInterval)
+		}
+
+		// return error chan
+		var ch chan error
+
+	Loop:
+		for {
+			select {
+			// register self on interval
+			case <-t.C:
+				if err := g.Register(); err != nil {
+					log.Log("Server register error: ", err)
+				}
+			// wait for exit
+			case ch = <-g.exit:
+				break Loop
+			}
+		}
+
+		// deregister self
+		if err := g.Deregister(); err != nil {
+			log.Log("Server deregister error: ", err)
+		}
+
+		// wait for waitgroup
+		if g.wg != nil {
+			g.wg.Wait()
+		}
+
+		// stop the grpc server
+		g.srv.GracefulStop()
+
+		// close transport
+		ch <- nil
+
+		// disconnect broker
+		config.Broker.Disconnect()
+	}()
+
+	return nil
+}
+
+func (g *grpcServer) Stop() error {
+	ch := make(chan error)
+	g.exit <- ch
+	return <-ch
+}
+
+func (g *grpcServer) String() string {
+	return "grpc"
+}
+
+func NewServer(opts ...server.Option) server.Server {
+	return newGRPCServer(opts...)
+}
--- a/server/grpc/grpc_test.go
+++ b/server/grpc/grpc_test.go
@@ -0,0 +1,66 @@
+package grpc
+
+import (
+	"context"
+	"testing"
+
+	"github.com/micro/go-micro/registry/memory"
+	"github.com/micro/go-micro/server"
+	"google.golang.org/grpc"
+
+	pb "github.com/micro/examples/greeter/srv/proto/hello"
+)
+
+// server is used to implement helloworld.GreeterServer.
+type sayServer struct{}
+
+// SayHello implements helloworld.GreeterServer
+func (s *sayServer) Hello(ctx context.Context, req *pb.Request, rsp *pb.Response) error {
+	rsp.Msg = "Hello " + req.Name
+	return nil
+}
+
+func TestGRPCServer(t *testing.T) {
+	r := memory.NewRegistry()
+	s := NewServer(
+		server.Name("foo"),
+		server.Registry(r),
+	)
+
+	pb.RegisterSayHandler(s, &sayServer{})
+
+	if err := s.Start(); err != nil {
+		t.Fatalf("failed to start: %v", err)
+	}
+
+	// check registration
+	services, err := r.GetService("foo")
+	if err != nil || len(services) == 0 {
+		t.Fatalf("failed to get service: %v # %d", err, len(services))
+	}
+
+	defer func() {
+		if err := s.Stop(); err != nil {
+			t.Fatalf("failed to stop: %v", err)
+		}
+	}()
+
+	cc, err := grpc.Dial(s.Options().Address, grpc.WithInsecure())
+	if err != nil {
+		t.Fatalf("failed to dial server: %v", err)
+	}
+
+	testMethods := []string{"/helloworld.Say/Hello", "/greeter.helloworld.Say/Hello"}
+
+	for _, method := range testMethods {
+		rsp := pb.Response{}
+
+		if err := cc.Invoke(context.Background(), method, &pb.Request{Name: "John"}, &rsp); err != nil {
+			t.Fatalf("error calling server: %v", err)
+		}
+
+		if rsp.Msg != "Hello John" {
+			t.Fatalf("Got unexpected response %v", rsp.Msg)
+		}
+	}
+}
--- a/server/grpc/handler.go
+++ b/server/grpc/handler.go
@@ -0,0 +1,66 @@
+package grpc
+
+import (
+	"reflect"
+
+	"github.com/micro/go-micro/registry"
+	"github.com/micro/go-micro/server"
+)
+
+type rpcHandler struct {
+	name      string
+	handler   interface{}
+	endpoints []*registry.Endpoint
+	opts      server.HandlerOptions
+}
+
+func newRpcHandler(handler interface{}, opts ...server.HandlerOption) server.Handler {
+	options := server.HandlerOptions{
+		Metadata: make(map[string]map[string]string),
+	}
+
+	for _, o := range opts {
+		o(&options)
+	}
+
+	typ := reflect.TypeOf(handler)
+	hdlr := reflect.ValueOf(handler)
+	name := reflect.Indirect(hdlr).Type().Name()
+
+	var endpoints []*registry.Endpoint
+
+	for m := 0; m < typ.NumMethod(); m++ {
+		if e := extractEndpoint(typ.Method(m)); e != nil {
+			e.Name = name + "." + e.Name
+
+			for k, v := range options.Metadata[e.Name] {
+				e.Metadata[k] = v
+			}
+
+			endpoints = append(endpoints, e)
+		}
+	}
+
+	return &rpcHandler{
+		name:      name,
+		handler:   handler,
+		endpoints: endpoints,
+		opts:      options,
+	}
+}
+
+func (r *rpcHandler) Name() string {
+	return r.name
+}
+
+func (r *rpcHandler) Handler() interface{} {
+	return r.handler
+}
+
+func (r *rpcHandler) Endpoints() []*registry.Endpoint {
+	return r.endpoints
+}
+
+func (r *rpcHandler) Options() server.HandlerOptions {
+	return r.opts
+}
--- a/server/grpc/options.go
+++ b/server/grpc/options.go
@@ -0,0 +1,113 @@
+package grpc
+
+import (
+	"context"
+	"crypto/tls"
+
+	"github.com/micro/go-micro/broker"
+	"github.com/micro/go-micro/codec"
+	"github.com/micro/go-micro/registry"
+	"github.com/micro/go-micro/server"
+	"github.com/micro/go-micro/server/debug"
+	"github.com/micro/go-micro/transport"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/encoding"
+)
+
+type codecsKey struct{}
+type tlsAuth struct{}
+type maxMsgSizeKey struct{}
+type grpcOptions struct{}
+
+// gRPC Codec to be used to encode/decode requests for a given content type
+func Codec(contentType string, c encoding.Codec) server.Option {
+	return func(o *server.Options) {
+		codecs := make(map[string]encoding.Codec)
+		if o.Context == nil {
+			o.Context = context.Background()
+		}
+		if v := o.Context.Value(codecsKey{}); v != nil {
+			codecs = v.(map[string]encoding.Codec)
+		}
+		codecs[contentType] = c
+		o.Context = context.WithValue(o.Context, codecsKey{}, codecs)
+	}
+}
+
+// AuthTLS should be used to setup a secure authentication using TLS
+func AuthTLS(t *tls.Config) server.Option {
+	return func(o *server.Options) {
+		if o.Context == nil {
+			o.Context = context.Background()
+		}
+		o.Context = context.WithValue(o.Context, tlsAuth{}, t)
+	}
+}
+
+// Options to be used to configure gRPC options
+func Options(opts ...grpc.ServerOption) server.Option {
+	return func(o *server.Options) {
+		if o.Context == nil {
+			o.Context = context.Background()
+		}
+		o.Context = context.WithValue(o.Context, grpcOptions{}, opts)
+	}
+}
+
+//
+// MaxMsgSize set the maximum message in bytes the server can receive and
+// send.  Default maximum message size is 4 MB.
+//
+func MaxMsgSize(s int) server.Option {
+	return func(o *server.Options) {
+		if o.Context == nil {
+			o.Context = context.Background()
+		}
+		o.Context = context.WithValue(o.Context, maxMsgSizeKey{}, s)
+	}
+}
+
+func newOptions(opt ...server.Option) server.Options {
+	opts := server.Options{
+		Codecs:   make(map[string]codec.NewCodec),
+		Metadata: map[string]string{},
+	}
+
+	for _, o := range opt {
+		o(&opts)
+	}
+
+	if opts.Broker == nil {
+		opts.Broker = broker.DefaultBroker
+	}
+
+	if opts.Registry == nil {
+		opts.Registry = registry.DefaultRegistry
+	}
+
+	if opts.Transport == nil {
+		opts.Transport = transport.DefaultTransport
+	}
+
+	if opts.DebugHandler == nil {
+		opts.DebugHandler = debug.DefaultDebugHandler
+	}
+
+	if len(opts.Address) == 0 {
+		opts.Address = server.DefaultAddress
+	}
+
+	if len(opts.Name) == 0 {
+		opts.Name = server.DefaultName
+	}
+
+	if len(opts.Id) == 0 {
+		opts.Id = server.DefaultId
+	}
+
+	if len(opts.Version) == 0 {
+		opts.Version = server.DefaultVersion
+	}
+
+	return opts
+}
--- a/server/grpc/request.go
+++ b/server/grpc/request.go
@@ -0,0 +1,70 @@
+package grpc
+
+import (
+	"github.com/micro/go-micro/codec"
+)
+
+type rpcRequest struct {
+	service     string
+	method      string
+	contentType string
+	codec       codec.Codec
+	header      map[string]string
+	body        []byte
+	stream      bool
+	payload     interface{}
+}
+
+type rpcMessage struct {
+	topic       string
+	contentType string
+	payload     interface{}
+}
+
+func (r *rpcRequest) ContentType() string {
+	return r.contentType
+}
+
+func (r *rpcRequest) Service() string {
+	return r.service
+}
+
+func (r *rpcRequest) Method() string {
+	return r.method
+}
+
+func (r *rpcRequest) Endpoint() string {
+	return r.method
+}
+
+func (r *rpcRequest) Codec() codec.Reader {
+	return r.codec
+}
+
+func (r *rpcRequest) Header() map[string]string {
+	return r.header
+}
+
+func (r *rpcRequest) Read() ([]byte, error) {
+	return r.body, nil
+}
+
+func (r *rpcRequest) Stream() bool {
+	return r.stream
+}
+
+func (r *rpcRequest) Body() interface{} {
+	return r.payload
+}
+
+func (r *rpcMessage) ContentType() string {
+	return r.contentType
+}
+
+func (r *rpcMessage) Topic() string {
+	return r.topic
+}
+
+func (r *rpcMessage) Payload() interface{} {
+	return r.payload
+}
--- a/server/grpc/server.go
+++ b/server/grpc/server.go
@@ -0,0 +1,180 @@
+package grpc
+
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+// Meh, we need to get rid of this shit
+
+import (
+	"context"
+	"errors"
+	"reflect"
+	"sync"
+	"unicode"
+	"unicode/utf8"
+
+	"github.com/micro/go-micro/server"
+	"github.com/micro/go-micro/util/log"
+)
+
+var (
+	// Precompute the reflect type for error. Can't use error directly
+	// because Typeof takes an empty interface value. This is annoying.
+	typeOfError = reflect.TypeOf((*error)(nil)).Elem()
+)
+
+type methodType struct {
+	method      reflect.Method
+	ArgType     reflect.Type
+	ReplyType   reflect.Type
+	ContextType reflect.Type
+	stream      bool
+}
+
+type service struct {
+	name   string                 // name of service
+	rcvr   reflect.Value          // receiver of methods for the service
+	typ    reflect.Type           // type of the receiver
+	method map[string]*methodType // registered methods
+}
+
+// server represents an RPC Server.
+type rServer struct {
+	mu         sync.Mutex // protects the serviceMap
+	serviceMap map[string]*service
+}
+
+// Is this an exported - upper case - name?
+func isExported(name string) bool {
+	rune, _ := utf8.DecodeRuneInString(name)
+	return unicode.IsUpper(rune)
+}
+
+// Is this type exported or a builtin?
+func isExportedOrBuiltinType(t reflect.Type) bool {
+	for t.Kind() == reflect.Ptr {
+		t = t.Elem()
+	}
+	// PkgPath will be non-empty even for an exported type,
+	// so we need to check the type name as well.
+	return isExported(t.Name()) || t.PkgPath() == ""
+}
+
+// prepareEndpoint() returns a methodType for the provided method or nil
+// in case if the method was unsuitable.
+func prepareEndpoint(method reflect.Method) *methodType {
+	mtype := method.Type
+	mname := method.Name
+	var replyType, argType, contextType reflect.Type
+	var stream bool
+
+	// Endpoint() must be exported.
+	if method.PkgPath != "" {
+		return nil
+	}
+
+	switch mtype.NumIn() {
+	case 3:
+		// assuming streaming
+		argType = mtype.In(2)
+		contextType = mtype.In(1)
+		stream = true
+	case 4:
+		// method that takes a context
+		argType = mtype.In(2)
+		replyType = mtype.In(3)
+		contextType = mtype.In(1)
+	default:
+		log.Log("method", mname, "of", mtype, "has wrong number of ins:", mtype.NumIn())
+		return nil
+	}
+
+	if stream {
+		// check stream type
+		streamType := reflect.TypeOf((*server.Stream)(nil)).Elem()
+		if !argType.Implements(streamType) {
+			log.Log(mname, "argument does not implement Streamer interface:", argType)
+			return nil
+		}
+	} else {
+		// if not stream check the replyType
+
+		// First arg need not be a pointer.
+		if !isExportedOrBuiltinType(argType) {
+			log.Log(mname, "argument type not exported:", argType)
+			return nil
+		}
+
+		if replyType.Kind() != reflect.Ptr {
+			log.Log("method", mname, "reply type not a pointer:", replyType)
+			return nil
+		}
+
+		// Reply type must be exported.
+		if !isExportedOrBuiltinType(replyType) {
+			log.Log("method", mname, "reply type not exported:", replyType)
+			return nil
+		}
+	}
+
+	// Endpoint() needs one out.
+	if mtype.NumOut() != 1 {
+		log.Log("method", mname, "has wrong number of outs:", mtype.NumOut())
+		return nil
+	}
+	// The return type of the method must be error.
+	if returnType := mtype.Out(0); returnType != typeOfError {
+		log.Log("method", mname, "returns", returnType.String(), "not error")
+		return nil
+	}
+	return &methodType{method: method, ArgType: argType, ReplyType: replyType, ContextType: contextType, stream: stream}
+}
+
+func (server *rServer) register(rcvr interface{}) error {
+	server.mu.Lock()
+	defer server.mu.Unlock()
+	if server.serviceMap == nil {
+		server.serviceMap = make(map[string]*service)
+	}
+	s := new(service)
+	s.typ = reflect.TypeOf(rcvr)
+	s.rcvr = reflect.ValueOf(rcvr)
+	sname := reflect.Indirect(s.rcvr).Type().Name()
+	if sname == "" {
+		log.Fatal("rpc: no service name for type", s.typ.String())
+	}
+	if !isExported(sname) {
+		s := "rpc Register: type " + sname + " is not exported"
+		log.Log(s)
+		return errors.New(s)
+	}
+	if _, present := server.serviceMap[sname]; present {
+		return errors.New("rpc: service already defined: " + sname)
+	}
+	s.name = sname
+	s.method = make(map[string]*methodType)
+
+	// Install the methods
+	for m := 0; m < s.typ.NumMethod(); m++ {
+		method := s.typ.Method(m)
+		if mt := prepareEndpoint(method); mt != nil {
+			s.method[method.Name] = mt
+		}
+	}
+
+	if len(s.method) == 0 {
+		s := "rpc Register: type " + sname + " has no exported methods of suitable type"
+		log.Log(s)
+		return errors.New(s)
+	}
+	server.serviceMap[s.name] = s
+	return nil
+}
+
+func (m *methodType) prepareContext(ctx context.Context) reflect.Value {
+	if contextv := reflect.ValueOf(ctx); contextv.IsValid() {
+		return contextv
+	}
+	return reflect.Zero(m.ContextType)
+}
--- a/server/grpc/stream.go
+++ b/server/grpc/stream.go
@@ -0,0 +1,38 @@
+package grpc
+
+import (
+	"context"
+
+	"github.com/micro/go-micro/server"
+	"google.golang.org/grpc"
+)
+
+// rpcStream implements a server side Stream.
+type rpcStream struct {
+	s       grpc.ServerStream
+	request server.Request
+}
+
+func (r *rpcStream) Close() error {
+	return nil
+}
+
+func (r *rpcStream) Error() error {
+	return nil
+}
+
+func (r *rpcStream) Request() server.Request {
+	return r.request
+}
+
+func (r *rpcStream) Context() context.Context {
+	return r.s.Context()
+}
+
+func (r *rpcStream) Send(m interface{}) error {
+	return r.s.SendMsg(m)
+}
+
+func (r *rpcStream) Recv(m interface{}) error {
+	return r.s.RecvMsg(m)
+}
--- a/server/grpc/subscriber.go
+++ b/server/grpc/subscriber.go
@@ -0,0 +1,262 @@
+package grpc
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"reflect"
+
+	"github.com/micro/go-micro/broker"
+	"github.com/micro/go-micro/codec"
+	"github.com/micro/go-micro/metadata"
+	"github.com/micro/go-micro/registry"
+	"github.com/micro/go-micro/server"
+)
+
+const (
+	subSig = "func(context.Context, interface{}) error"
+)
+
+type handler struct {
+	method  reflect.Value
+	reqType reflect.Type
+	ctxType reflect.Type
+}
+
+type subscriber struct {
+	topic      string
+	rcvr       reflect.Value
+	typ        reflect.Type
+	subscriber interface{}
+	handlers   []*handler
+	endpoints  []*registry.Endpoint
+	opts       server.SubscriberOptions
+}
+
+func newSubscriber(topic string, sub interface{}, opts ...server.SubscriberOption) server.Subscriber {
+
+	options := server.SubscriberOptions{
+		AutoAck: true,
+	}
+
+	for _, o := range opts {
+		o(&options)
+	}
+
+	var endpoints []*registry.Endpoint
+	var handlers []*handler
+
+	if typ := reflect.TypeOf(sub); typ.Kind() == reflect.Func {
+		h := &handler{
+			method: reflect.ValueOf(sub),
+		}
+
+		switch typ.NumIn() {
+		case 1:
+			h.reqType = typ.In(0)
+		case 2:
+			h.ctxType = typ.In(0)
+			h.reqType = typ.In(1)
+		}
+
+		handlers = append(handlers, h)
+
+		endpoints = append(endpoints, &registry.Endpoint{
+			Name:    "Func",
+			Request: extractSubValue(typ),
+			Metadata: map[string]string{
+				"topic":      topic,
+				"subscriber": "true",
+			},
+		})
+	} else {
+		hdlr := reflect.ValueOf(sub)
+		name := reflect.Indirect(hdlr).Type().Name()
+
+		for m := 0; m < typ.NumMethod(); m++ {
+			method := typ.Method(m)
+			h := &handler{
+				method: method.Func,
+			}
+
+			switch method.Type.NumIn() {
+			case 2:
+				h.reqType = method.Type.In(1)
+			case 3:
+				h.ctxType = method.Type.In(1)
+				h.reqType = method.Type.In(2)
+			}
+
+			handlers = append(handlers, h)
+
+			endpoints = append(endpoints, &registry.Endpoint{
+				Name:    name + "." + method.Name,
+				Request: extractSubValue(method.Type),
+				Metadata: map[string]string{
+					"topic":      topic,
+					"subscriber": "true",
+				},
+			})
+		}
+	}
+
+	return &subscriber{
+		rcvr:       reflect.ValueOf(sub),
+		typ:        reflect.TypeOf(sub),
+		topic:      topic,
+		subscriber: sub,
+		handlers:   handlers,
+		endpoints:  endpoints,
+		opts:       options,
+	}
+}
+
+func validateSubscriber(sub server.Subscriber) error {
+	typ := reflect.TypeOf(sub.Subscriber())
+	var argType reflect.Type
+
+	if typ.Kind() == reflect.Func {
+		name := "Func"
+		switch typ.NumIn() {
+		case 2:
+			argType = typ.In(1)
+		default:
+			return fmt.Errorf("subscriber %v takes wrong number of args: %v required signature %s", name, typ.NumIn(), subSig)
+		}
+		if !isExportedOrBuiltinType(argType) {
+			return fmt.Errorf("subscriber %v argument type not exported: %v", name, argType)
+		}
+		if typ.NumOut() != 1 {
+			return fmt.Errorf("subscriber %v has wrong number of outs: %v require signature %s",
+				name, typ.NumOut(), subSig)
+		}
+		if returnType := typ.Out(0); returnType != typeOfError {
+			return fmt.Errorf("subscriber %v returns %v not error", name, returnType.String())
+		}
+	} else {
+		hdlr := reflect.ValueOf(sub.Subscriber())
+		name := reflect.Indirect(hdlr).Type().Name()
+
+		for m := 0; m < typ.NumMethod(); m++ {
+			method := typ.Method(m)
+
+			switch method.Type.NumIn() {
+			case 3:
+				argType = method.Type.In(2)
+			default:
+				return fmt.Errorf("subscriber %v.%v takes wrong number of args: %v required signature %s",
+					name, method.Name, method.Type.NumIn(), subSig)
+			}
+
+			if !isExportedOrBuiltinType(argType) {
+				return fmt.Errorf("%v argument type not exported: %v", name, argType)
+			}
+			if method.Type.NumOut() != 1 {
+				return fmt.Errorf(
+					"subscriber %v.%v has wrong number of outs: %v require signature %s",
+					name, method.Name, method.Type.NumOut(), subSig)
+			}
+			if returnType := method.Type.Out(0); returnType != typeOfError {
+				return fmt.Errorf("subscriber %v.%v returns %v not error", name, method.Name, returnType.String())
+			}
+		}
+	}
+
+	return nil
+}
+
+func (g *grpcServer) createSubHandler(sb *subscriber, opts server.Options) broker.Handler {
+	return func(p broker.Publication) error {
+		msg := p.Message()
+		ct := msg.Header["Content-Type"]
+		cf, err := g.newCodec(ct)
+		if err != nil {
+			return err
+		}
+
+		hdr := make(map[string]string)
+		for k, v := range msg.Header {
+			hdr[k] = v
+		}
+		delete(hdr, "Content-Type")
+		ctx := metadata.NewContext(context.Background(), hdr)
+
+		for i := 0; i < len(sb.handlers); i++ {
+			handler := sb.handlers[i]
+
+			var isVal bool
+			var req reflect.Value
+
+			if handler.reqType.Kind() == reflect.Ptr {
+				req = reflect.New(handler.reqType.Elem())
+			} else {
+				req = reflect.New(handler.reqType)
+				isVal = true
+			}
+			if isVal {
+				req = req.Elem()
+			}
+
+			b := &buffer{bytes.NewBuffer(msg.Body)}
+			co := cf(b)
+			defer co.Close()
+
+			if err := co.ReadHeader(&codec.Message{}, codec.Publication); err != nil {
+				return err
+			}
+
+			if err := co.ReadBody(req.Interface()); err != nil {
+				return err
+			}
+
+			fn := func(ctx context.Context, msg server.Message) error {
+				var vals []reflect.Value
+				if sb.typ.Kind() != reflect.Func {
+					vals = append(vals, sb.rcvr)
+				}
+				if handler.ctxType != nil {
+					vals = append(vals, reflect.ValueOf(ctx))
+				}
+
+				vals = append(vals, reflect.ValueOf(msg.Payload()))
+
+				returnValues := handler.method.Call(vals)
+				if err := returnValues[0].Interface(); err != nil {
+					return err.(error)
+				}
+				return nil
+			}
+
+			for i := len(opts.SubWrappers); i > 0; i-- {
+				fn = opts.SubWrappers[i-1](fn)
+			}
+
+			g.wg.Add(1)
+			go func() {
+				defer g.wg.Done()
+				fn(ctx, &rpcMessage{
+					topic:       sb.topic,
+					contentType: ct,
+					payload:     req.Interface(),
+				})
+			}()
+		}
+		return nil
+	}
+}
+
+func (s *subscriber) Topic() string {
+	return s.topic
+}
+
+func (s *subscriber) Subscriber() interface{} {
+	return s.subscriber
+}
+
+func (s *subscriber) Endpoints() []*registry.Endpoint {
+	return s.endpoints
+}
+
+func (s *subscriber) Options() server.SubscriberOptions {
+	return s.opts
+}
--- a/server/grpc/util.go
+++ b/server/grpc/util.go
@@ -0,0 +1,60 @@
+package grpc
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"os"
+	"sync"
+
+	"google.golang.org/grpc/codes"
+)
+
+// rpcError defines the status from an RPC.
+type rpcError struct {
+	code codes.Code
+	desc string
+}
+
+func (e *rpcError) Error() string {
+	return fmt.Sprintf("rpc error: code = %d desc = %s", e.code, e.desc)
+}
+
+// convertCode converts a standard Go error into its canonical code. Note that
+// this is only used to translate the error returned by the server applications.
+func convertCode(err error) codes.Code {
+	switch err {
+	case nil:
+		return codes.OK
+	case io.EOF:
+		return codes.OutOfRange
+	case io.ErrClosedPipe, io.ErrNoProgress, io.ErrShortBuffer, io.ErrShortWrite, io.ErrUnexpectedEOF:
+		return codes.FailedPrecondition
+	case os.ErrInvalid:
+		return codes.InvalidArgument
+	case context.Canceled:
+		return codes.Canceled
+	case context.DeadlineExceeded:
+		return codes.DeadlineExceeded
+	}
+	switch {
+	case os.IsExist(err):
+		return codes.AlreadyExists
+	case os.IsNotExist(err):
+		return codes.NotFound
+	case os.IsPermission(err):
+		return codes.PermissionDenied
+	}
+	return codes.Unknown
+}
+
+func wait(ctx context.Context) *sync.WaitGroup {
+	if ctx == nil {
+		return nil
+	}
+	wg, ok := ctx.Value("wait").(*sync.WaitGroup)
+	if !ok {
+		return nil
+	}
+	return wg
+}
--- a/service/grpc/.travis.yml
+++ b/service/grpc/.travis.yml
@@ -0,0 +1,7 @@
+language: go
+go:
+- 1.10.x
+- 1.11.x
+notifications:
+  slack:
+    secure: aEvhLbhujaGaKSrOokiG3//PaVHTIrc3fBpoRbCRqfZpyq6WREoapJJhF+tIpWWOwaC9GmChbD6aHo/jMUgwKXVyPSaNjiEL87YzUUpL8B2zslNp1rgfTg/LrzthOx3Q1TYwpaAl3to0fuHUVFX4yMeC2vuThq7WSXgMMxFCtbc=
--- a/service/grpc/README.md
+++ b/service/grpc/README.md
@@ -0,0 +1,36 @@
+# Micro gRPC [![License](https://img.shields.io/:license-apache-blue.svg)](https://opensource.org/licenses/Apache-2.0) [![GoDoc](https://godoc.org/github.com/micro/go-micro/service/grpc?status.svg)](https://godoc.org/github.com/micro/go-micro/service/grpc) [![Travis CI](https://api.travis-ci.org/micro/go-micro/service/grpc.svg?branch=master)](https://travis-ci.org/micro/go-micro/service/grpc) [![Go Report Card](https://goreportcard.com/badge/micro/go-micro/service/grpc)](https://goreportcard.com/report/github.com/micro/go-micro/service/grpc)
+
+A micro gRPC framework. A simplified experience for building gRPC services. 
+
+## Overview
+
+**Go gRPC** makes use of [go-micro](https://github.com/micro/go-micro) plugins to create a simpler framework for gRPC development. 
+It interoperates with standard gRPC services seamlessly, including the [grpc-gateway](https://github.com/grpc-ecosystem/grpc-gateway). 
+The go-grpc library uses the go-micro broker, client and server plugins which make use of 
+[github.com/grpc/grpc-go](https://github.com/grpc/grpc-go) internally. 
+This means we ignore the go-micro codec and transport but provide a native grpc experience.
+
+<img src="https://micro.mu/docs/images/go-grpc.svg" />
+
+## Features
+
+- **Service Discovery** - We make use of go-micro's registry and selector interfaces to provide pluggable discovery 
+and client side load balancing. There's no need to dial connections, we'll do everything beneath the covers for you.
+
+- **PubSub Messaging** - Where gRPC only provides you synchronous communication, **Go gRPC** uses the go-micro broker 
+to provide asynchronous messaging while using the gRPC protocol.
+
+- **Micro Ecosystem** - Make use of the existing micro ecosystem of tooling including our api gateway, web dashboard, 
+command line interface and much more. We're enhancing gRPC with a simplified experience using micro.
+
+## Examples
+
+Find an example greeter service in [examples/greeter](https://github.com/micro/go-micro/service/grpc/tree/master/examples/greeter).
+
+## Getting Started
+
+See the [docs](https://micro.mu/docs/go-grpc.html) to get started.
+
+## I18n
+
+### [中文](README_cn.md)
--- a/service/grpc/README_cn.md
+++ b/service/grpc/README_cn.md
@@ -0,0 +1,25 @@
+# Micro gRPC [![License](https://img.shields.io/:license-apache-blue.svg)](https://opensource.org/licenses/Apache-2.0) [![GoDoc](https://godoc.org/github.com/micro/go-micro/service/grpc?status.svg)](https://godoc.org/github.com/micro/go-micro/service/grpc) [![Travis CI](https://api.travis-ci.org/micro/go-micro/service/grpc.svg?branch=master)](https://travis-ci.org/micro/go-micro/service/grpc) [![Go Report Card](https://goreportcard.com/badge/micro/go-micro/service/grpc)](https://goreportcard.com/report/github.com/micro/go-micro/service/grpc)
+
+Micro gRPC是micro的gRPC框架插件，简化开发基于gRPC的服务。
+
+## 概览
+
+micro提供有基于Go的gRPC插件[go-micro](https://github.com/micro/go-micro)，该插件可以在内部集成gPRC，并与之无缝交互，让开发gRPC更简单，并支持[grpc-gateway](https://github.com/grpc-ecosystem/grpc-gateway)。
+
+micro有面向gRPC的[客户端](https://github.com/micro/go-plugins/tree/master/client)和[服务端](https://github.com/micro/go-plugins/tree/master/server)插件，go-grpc库调用客户端/服务端插件生成micro需要的gRPC代码，而客户端/服务端插件都是从[github.com/grpc/grpc-go](https://github.com/grpc/grpc-go)扩展而来，也即是说，我们不需要去知道go-micro是如何编解码或传输就可以使用原生的gRPC。
+
+## 特性
+
+- **服务发现** - go-micro的服务发现基于其[注册](https://github.com/micro/go-plugins/tree/master/registry)与[选择器](https://github.com/micro/go-micro/tree/master/selector)接口，实现了可插拔的服务发现与客户端侧的负载均衡，不需要拨号连接，micro已经把所有都封装好，大家只管用。
+
+- **消息发布订阅** - 因为gRPC只提供同步通信机制，而**Go gRPC**使用go-micro的[broker代理](https://github.com/micro/go-micro/tree/master/broker)提供异步消息，broker也是基于gRPC协议。
+
+- **Micro生态系统** - Micro生态系统包含工具链中，比如api网关、web管理控制台、CLI命令行接口等等。我们通过使用micro来增强gRPC框架的易用性。
+
+## 示例
+
+示例请查看[examples/greeter](https://github.com/micro/go-micro/service/grpc/tree/master/examples/greeter)。
+
+## 开始使用
+
+我们提供相关文档[docs](https://micro.mu/docs/go-grpc_cn.html)，以便上手。
--- a/service/grpc/examples/greeter/README.md
+++ b/service/grpc/examples/greeter/README.md
@@ -0,0 +1,64 @@
+# Greeter Service
+
+An example Go-Micro based gRPC service
+
+## What's here?
+
+- **server** - a gRPC greeter service
+- **client** - a gRPC client that calls the service once
+- **function** - a gRPC greeter function，more about [Function](https://micro.mu/docs/writing-a-go-function.html)
+- **gateway** - a grpc-gateway
+
+## Test Service
+
+Run Service
+```
+$ go run server/main.go --registry=mdns
+2016/11/03 18:41:22 Listening on [::]:55194
+2016/11/03 18:41:22 Broker Listening on [::]:55195
+2016/11/03 18:41:22 Registering node: go.micro.srv.greeter-1e200612-a1f5-11e6-8e84-68a86d0d36b6
+```
+
+Test Service
+```
+$ go run client/main.go --registry=mdns
+Hello John
+```
+
+## Test Function
+
+Run function
+
+```
+go run function/main.go --registry=mdns
+```
+
+Query function
+
+```
+go run client/main.go --registry=mdns --service_name="go.micro.fnc.greeter"
+```
+
+## Test Gateway
+
+Run server with address set
+
+```
+go run server/main.go --registry=mdns --server_address=localhost:9090
+```
+
+Run gateway
+
+```
+go run gateway/main.go
+```
+
+Curl gateway
+
+```
+curl -d '{"name": "john"}' http://localhost:8080/greeter/hello
+```
+
+## i18n
+
+### [中文](README_cn.md)
--- a/service/grpc/examples/greeter/README_cn.md
+++ b/service/grpc/examples/greeter/README_cn.md
@@ -0,0 +1,76 @@
+# Greeter 问候示例服务
+
+本示例展示基于gRPC的Go-Micro服务
+
+## 本目录有
+
+- **server** - Greeter的gRPC服务端
+- **client** - gRPC客户端，会调用一次server
+- **function** - 演示gRPC Greeter function接口，更多关于Function，请查阅[Function](https://micro.mu/docs/writing-a-go-function_cn.html)
+- **gateway** - gRPC网关
+
+## 测试服务
+
+运行服务
+
+```
+$ go run server/main.go --registry=mdns
+2016/11/03 18:41:22 Listening on [::]:55194
+2016/11/03 18:41:22 Broker Listening on [::]:55195
+2016/11/03 18:41:22 Registering node: go.micro.srv.greeter-1e200612-a1f5-11e6-8e84-68a86d0d36b6
+```
+
+测试
+
+```
+$ go run client/main.go --registry=mdns
+Hello John
+```
+
+## 测试 Function
+
+运行测试
+
+```
+go run function/main.go --registry=mdns
+```
+
+调用服务
+
+服务端的Function服务只会执行一次，所以在下面的命令执行且服务端返回请求后，服务端便后退出
+
+```bash
+$ go run client/main.go --registry=mdns --service_name="go.micro.fnc.greeter"
+
+# 返回
+Hello John
+
+# 再次执行
+$ go run client/main.go --registry=mdns --service_name="go.micro.fnc.greeter"
+
+# 就会报异常，找不到服务
+{"id":"go.micro.client","code":500,"detail":"none available","status":"Internal Server Error"}
+
+```
+
+## 测试网关
+
+指定地址再运行服务端：
+
+```
+go run server/main.go --registry=mdns --server_address=localhost:9090
+```
+
+运行网关
+
+```
+go run gateway/main.go
+```
+
+使用curl调用网关
+
+```
+curl -d '{"name": "john"}' http://localhost:8080/greeter/hello
+# 返回
+{"msg":"Hello john"}
+```
--- a/service/grpc/examples/greeter/client/main.go
+++ b/service/grpc/examples/greeter/client/main.go
@@ -0,0 +1,40 @@
+package main
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/micro/cli"
+	"github.com/micro/go-micro"
+	"github.com/micro/go-micro/service/grpc"
+	hello "github.com/micro/go-micro/service/grpc/examples/greeter/server/proto/hello"
+)
+
+var (
+	// service to call
+	serviceName string
+)
+
+func main() {
+	service := grpc.NewService()
+
+	service.Init(
+		micro.Flags(cli.StringFlag{
+			Name:        "service_name",
+			Value:       "go.micro.srv.greeter",
+			Destination: &serviceName,
+		}),
+	)
+
+	cl := hello.NewSayService(serviceName, service.Client())
+
+	rsp, err := cl.Hello(context.TODO(), &hello.Request{
+		Name: "John",
+	})
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	fmt.Println(rsp.Msg)
+}
--- a/service/grpc/examples/greeter/function/main.go
+++ b/service/grpc/examples/greeter/function/main.go
@@ -0,0 +1,31 @@
+package main
+
+import (
+	"context"
+	"log"
+
+	"github.com/micro/go-micro"
+	"github.com/micro/go-micro/service/grpc"
+	hello "github.com/micro/go-micro/service/grpc/examples/greeter/server/proto/hello"
+)
+
+type Say struct{}
+
+func (s *Say) Hello(ctx context.Context, req *hello.Request, rsp *hello.Response) error {
+	rsp.Msg = "Hello " + req.Name
+	return nil
+}
+
+func main() {
+	fn := grpc.NewFunction(
+		micro.Name("go.micro.fnc.greeter"),
+	)
+
+	fn.Init()
+
+	fn.Handle(new(Say))
+
+	if err := fn.Run(); err != nil {
+		log.Fatal(err)
+	}
+}
--- a/service/grpc/examples/greeter/function/proto/hello/hello.micro.go
+++ b/service/grpc/examples/greeter/function/proto/hello/hello.micro.go
@@ -0,0 +1,99 @@
+// Code generated by protoc-gen-micro. DO NOT EDIT.
+// source: github.com/micro/go-micro/service/grpc/examples/greeter/function/proto/hello/hello.proto
+
+/*
+Package go_micro_srv_greeter is a generated protocol buffer package.
+
+It is generated from these files:
+	github.com/micro/go-micro/service/grpc/examples/greeter/function/proto/hello/hello.proto
+
+It has these top-level messages:
+	Request
+	Response
+*/
+package go_micro_srv_greeter
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+import (
+	context "context"
+	client "github.com/micro/go-micro/client"
+	server "github.com/micro/go-micro/server"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ client.Option
+var _ server.Option
+
+// Client API for Say service
+
+type SayService interface {
+	Hello(ctx context.Context, in *Request, opts ...client.CallOption) (*Response, error)
+}
+
+type sayService struct {
+	c           client.Client
+	serviceName string
+}
+
+func NewSayService(serviceName string, c client.Client) SayService {
+	if c == nil {
+		c = client.NewClient()
+	}
+	if len(serviceName) == 0 {
+		serviceName = "go.micro.srv.greeter"
+	}
+	return &sayService{
+		c:           c,
+		serviceName: serviceName,
+	}
+}
+
+func (c *sayService) Hello(ctx context.Context, in *Request, opts ...client.CallOption) (*Response, error) {
+	req := c.c.NewRequest(c.serviceName, "Say.Hello", in)
+	out := new(Response)
+	err := c.c.Call(ctx, req, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// Server API for Say service
+
+type SayHandler interface {
+	Hello(context.Context, *Request, *Response) error
+}
+
+func RegisterSayHandler(s server.Server, hdlr SayHandler, opts ...server.HandlerOption) {
+	type say interface {
+		Hello(ctx context.Context, in *Request, out *Response) error
+	}
+	type Say struct {
+		say
+	}
+	h := &sayHandler{hdlr}
+	s.Handle(s.NewHandler(&Say{h}, opts...))
+}
+
+type sayHandler struct {
+	SayHandler
+}
+
+func (h *sayHandler) Hello(ctx context.Context, in *Request, out *Response) error {
+	return h.SayHandler.Hello(ctx, in, out)
+}
--- a/service/grpc/examples/greeter/function/proto/hello/hello.pb.go
+++ b/service/grpc/examples/greeter/function/proto/hello/hello.pb.go
@@ -0,0 +1,163 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: github.com/micro/go-micro/service/grpc/examples/greeter/function/proto/hello/hello.proto
+
+/*
+Package go_micro_srv_greeter is a generated protocol buffer package.
+
+It is generated from these files:
+	github.com/micro/go-micro/service/grpc/examples/greeter/function/proto/hello/hello.proto
+
+It has these top-level messages:
+	Request
+	Response
+*/
+package go_micro_srv_greeter
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+import (
+	context "golang.org/x/net/context"
+	grpc "google.golang.org/grpc"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+type Request struct {
+	Name string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
+}
+
+func (m *Request) Reset()                    { *m = Request{} }
+func (m *Request) String() string            { return proto.CompactTextString(m) }
+func (*Request) ProtoMessage()               {}
+func (*Request) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
+
+func (m *Request) GetName() string {
+	if m != nil {
+		return m.Name
+	}
+	return ""
+}
+
+type Response struct {
+	Msg string `protobuf:"bytes,1,opt,name=msg" json:"msg,omitempty"`
+}
+
+func (m *Response) Reset()                    { *m = Response{} }
+func (m *Response) String() string            { return proto.CompactTextString(m) }
+func (*Response) ProtoMessage()               {}
+func (*Response) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{1} }
+
+func (m *Response) GetMsg() string {
+	if m != nil {
+		return m.Msg
+	}
+	return ""
+}
+
+func init() {
+	proto.RegisterType((*Request)(nil), "go.micro.srv.greeter.Request")
+	proto.RegisterType((*Response)(nil), "go.micro.srv.greeter.Response")
+}
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ grpc.ClientConn
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+const _ = grpc.SupportPackageIsVersion4
+
+// Client API for Say service
+
+type SayClient interface {
+	Hello(ctx context.Context, in *Request, opts ...grpc.CallOption) (*Response, error)
+}
+
+type sayClient struct {
+	cc *grpc.ClientConn
+}
+
+func NewSayClient(cc *grpc.ClientConn) SayClient {
+	return &sayClient{cc}
+}
+
+func (c *sayClient) Hello(ctx context.Context, in *Request, opts ...grpc.CallOption) (*Response, error) {
+	out := new(Response)
+	err := grpc.Invoke(ctx, "/go.micro.srv.greeter.Say/Hello", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// Server API for Say service
+
+type SayServer interface {
+	Hello(context.Context, *Request) (*Response, error)
+}
+
+func RegisterSayServer(s *grpc.Server, srv SayServer) {
+	s.RegisterService(&_Say_serviceDesc, srv)
+}
+
+func _Say_Hello_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(Request)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SayServer).Hello(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/go.micro.srv.greeter.Say/Hello",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SayServer).Hello(ctx, req.(*Request))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+var _Say_serviceDesc = grpc.ServiceDesc{
+	ServiceName: "go.micro.srv.greeter.Say",
+	HandlerType: (*SayServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Hello",
+			Handler:    _Say_Hello_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "github.com/micro/go-micro/service/grpc/examples/greeter/function/proto/hello/hello.proto",
+}
+
+func init() {
+	proto.RegisterFile("github.com/micro/go-micro/service/grpc/examples/greeter/function/proto/hello/hello.proto", fileDescriptor0)
+}
+
+var fileDescriptor0 = []byte{
+	// 187 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x74, 0x8e, 0x4d, 0x0a, 0xc2, 0x30,
+	0x10, 0x85, 0x2d, 0xf5, 0x37, 0x2b, 0x09, 0x2e, 0x44, 0xac, 0x48, 0x57, 0x6e, 0x4c, 0x40, 0x2f,
+	0x51, 0xdc, 0x08, 0xf5, 0x04, 0x6d, 0x18, 0xd3, 0x42, 0x93, 0x89, 0x49, 0x2a, 0x7a, 0x7b, 0x69,
+	0xcc, 0x52, 0x37, 0xc3, 0x63, 0x3e, 0x66, 0xbe, 0x47, 0x2e, 0xb2, 0xf5, 0x4d, 0x5f, 0x33, 0x81,
+	0x8a, 0xab, 0x56, 0x58, 0xe4, 0x12, 0x8f, 0xd2, 0x1a, 0xc1, 0xe1, 0x55, 0x29, 0xd3, 0x81, 0xe3,
+	0xd2, 0x02, 0x78, 0xb0, 0xfc, 0xde, 0x6b, 0xe1, 0x5b, 0xd4, 0xdc, 0x58, 0xf4, 0xc8, 0x1b, 0xe8,
+	0xba, 0x38, 0x59, 0xd8, 0xd0, 0x95, 0x44, 0x16, 0x7e, 0x30, 0x67, 0x9f, 0x2c, 0x9e, 0xe5, 0x19,
+	0x99, 0x95, 0xf0, 0xe8, 0xc1, 0x79, 0x4a, 0xc9, 0x58, 0x57, 0x0a, 0xd6, 0xc9, 0x3e, 0x39, 0x2c,
+	0xca, 0x90, 0xf3, 0x2d, 0x99, 0x97, 0xe0, 0x0c, 0x6a, 0x07, 0x74, 0x49, 0x52, 0xe5, 0x64, 0xc4,
+	0x43, 0x3c, 0x5d, 0x49, 0x7a, 0xab, 0xde, 0xb4, 0x20, 0x93, 0x62, 0x10, 0xd1, 0x8c, 0xfd, 0x72,
+	0xb0, 0x28, 0xd8, 0xec, 0xfe, 0xe1, 0xaf, 0x20, 0x1f, 0xd5, 0xd3, 0x50, 0xf5, 0xfc, 0x09, 0x00,
+	0x00, 0xff, 0xff, 0x79, 0x62, 0x76, 0xe6, 0xf8, 0x00, 0x00, 0x00,
+}
--- a/service/grpc/examples/greeter/function/proto/hello/hello.proto
+++ b/service/grpc/examples/greeter/function/proto/hello/hello.proto
@@ -0,0 +1,15 @@
+syntax = "proto3";
+
+package go.micro.srv.greeter;
+
+service Say {
+	rpc Hello(Request) returns (Response) {}
+}
+
+message Request {
+	string name = 1;
+}
+
+message Response {
+	string msg = 1;
+}
--- a/service/grpc/examples/greeter/gateway/README.md
+++ b/service/grpc/examples/greeter/gateway/README.md
@@ -0,0 +1,29 @@
+# GRPC Gateway
+
+This directory contains a grpc gateway generated using [grpc-ecosystem/grpc-gateway](https://github.com/grpc-ecosystem/grpc-gateway).
+
+Services written with [micro/go-micro/service/grpc](https://github.com/micro/go-micro/service/grpc) are fully compatible with the grpc-gateway and any other 
+grpc services.
+
+Go to [grpc-ecosystem/grpc-gateway](https://github.com/grpc-ecosystem/grpc-gateway) for details on how to generate gateways. We 
+have generated the gateway from the same proto as the greeter server but with additional options for the gateway.
+
+## Usage
+
+Run the go.micro.srv.greeter service
+
+```
+go run ../server/main.go --server_address=localhost:9090
+```
+
+Run the gateway
+
+```
+go run main.go
+```
+
+Curl your request at the gateway (localhost:8080)
+
+```
+curl -d '{"name": "john"}' http://localhost:8080/greeter/hello
+```
--- a/service/grpc/examples/greeter/gateway/main.go
+++ b/service/grpc/examples/greeter/gateway/main.go
@@ -0,0 +1,44 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"net/http"
+
+	"github.com/golang/glog"
+	"github.com/grpc-ecosystem/grpc-gateway/runtime"
+	"google.golang.org/grpc"
+
+	hello "github.com/micro/examples/grpc/gateway/proto/hello"
+)
+
+var (
+	// the go.micro.srv.greeter address
+	endpoint = flag.String("endpoint", "localhost:9090", "go.micro.srv.greeter address")
+)
+
+func run() error {
+	ctx := context.Background()
+	ctx, cancel := context.WithCancel(ctx)
+	defer cancel()
+
+	mux := runtime.NewServeMux()
+	opts := []grpc.DialOption{grpc.WithInsecure()}
+
+	err := hello.RegisterSayHandlerFromEndpoint(ctx, mux, *endpoint, opts)
+	if err != nil {
+		return err
+	}
+
+	return http.ListenAndServe(":8080", mux)
+}
+
+func main() {
+	flag.Parse()
+
+	defer glog.Flush()
+
+	if err := run(); err != nil {
+		glog.Fatal(err)
+	}
+}
--- a/Show More
+++ b/Show More