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49 lines
3.2 KiB
Markdown
49 lines
3.2 KiB
Markdown
# Go Micro [](https://opensource.org/licenses/Apache-2.0) [](https://godoc.org/github.com/micro/go-micro) [](https://travis-ci.org/micro/go-micro) [](https://goreportcard.com/report/github.com/micro/go-micro)
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Go Micro is a framework for microservice development.
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## Overview
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Go Micro provides the core requirements for distributed systems development including RPC and Event driven communication.
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The **micro** philosophy is sane defaults with a pluggable architecture. We provide defaults to get you started quickly
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but everything can be easily swapped out.
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<img src="https://micro.mu/docs/images/go-micro.svg" />
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Plugins are available at [github.com/micro/go-plugins](https://github.com/micro/go-plugins).
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Follow us on [Twitter](https://twitter.com/microhq) or join the [Community](https://micro.mu/slack).
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## Features
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Go Micro abstracts away the details of distributed systems. Here are the main features.
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- **Service Discovery** - Automatic service registration and name resolution. Service discovery is at the core of micro service
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development. When service A needs to speak to service B it needs the location of that service. The default discovery mechanism is
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multicast DNS (mdns), a zeroconf system.
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- **Load Balancing** - Client side load balancing built on service discovery. Once we have the addresses of any number of instances
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of a service we now need a way to decide which node to route to. We use random hashed load balancing to provide even distribution
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across the services and retry a different node if there's a problem.
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- **Message Encoding** - Dynamic message encoding based on content-type. The client and server will use codecs along with content-type
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to seamlessly encode and decode Go types for you. Any variety of messages could be encoded and sent from different clients. The client
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and server handle this by default. This includes protobuf and json by default.
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- **Request/Response** - RPC based request/response with support for bidirectional streaming. We provide an abstraction for synchronous
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communication. A request made to a service will be automatically resolved, load balanced, dialled and streamed. The default
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transport is [gRPC](https://grpc.io/).
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- **Async Messaging** - PubSub is built in as a first class citizen for asynchronous communication and event driven architectures.
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Event notifications are a core pattern in micro service development. The default messaging system is an embedded [NATS](https://nats.io/)
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server.
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- **Pluggable Interfaces** - Go Micro makes use of Go interfaces for each distributed system abstraction. Because of this these interfaces
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are pluggable and allows Go Micro to be runtime agnostic. You can plugin any underlying technology. Find plugins in
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[github.com/micro/go-plugins](https://github.com/micro/go-plugins).
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## Getting Started
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See the [docs](https://micro.mu/docs/framework.html) for detailed information on the architecture, installation and use of go-micro.
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