diff --git a/clients/github.go b/clients/github.go
index 09444d7b3..935543da2 100644
--- a/clients/github.go
+++ b/clients/github.go
@@ -7,6 +7,7 @@ import (
 	"golang.org/x/oauth2"
 )
 
+// GitHub client for the given token
 func GitHub(token string) *github.Client {
 	ts := oauth2.StaticTokenSource(
 		&oauth2.Token{AccessToken: token},
diff --git a/context/context.go b/context/context.go
index e59843b07..60cbdc4a2 100644
--- a/context/context.go
+++ b/context/context.go
@@ -9,10 +9,12 @@ type GitInfo struct {
 	Diff        string
 }
 
+// Repo owner/name pair
 type Repo struct {
 	Owner, Name string
 }
 
+// Context carries along some data through the pipes
 type Context struct {
 	Config      *config.ProjectConfig
 	Token       *string
@@ -22,6 +24,7 @@ type Context struct {
 	Archives    map[string]string
 }
 
+// New context
 func New(config config.ProjectConfig) *Context {
 	return &Context{
 		Config:   &config,
diff --git a/pipeline/archive/tar/tar.go b/pipeline/archive/tar/tar.go
index ee023325b..f99a27067 100644
--- a/pipeline/archive/tar/tar.go
+++ b/pipeline/archive/tar/tar.go
@@ -7,11 +7,13 @@ import (
 	"os"
 )
 
+// Archive as tar.gz
 type Archive struct {
 	gw *gzip.Writer
 	tw *tar.Writer
 }
 
+// Close all closeables
 func (a Archive) Close() error {
 	if err := a.tw.Close(); err != nil {
 		return err
@@ -22,6 +24,7 @@ func (a Archive) Close() error {
 	return nil
 }
 
+// New tar.gz archive
 func New(target *os.File) Archive {
 	gw := gzip.NewWriter(target)
 	tw := tar.NewWriter(gw)
@@ -31,6 +34,7 @@ func New(target *os.File) Archive {
 	}
 }
 
+// Add file to the archive
 func (a Archive) Add(name, path string) (err error) {
 	file, err := os.Open(path)
 	if err != nil {
diff --git a/pipeline/archive/zip/zip.go b/pipeline/archive/zip/zip.go
index b79bfd95d..017d0166d 100644
--- a/pipeline/archive/zip/zip.go
+++ b/pipeline/archive/zip/zip.go
@@ -6,20 +6,24 @@ import (
 	"os"
 )
 
+// Archive zip struct
 type Archive struct {
 	z *zip.Writer
 }
 
+// Close all closeables
 func (a Archive) Close() error {
 	return a.z.Close()
 }
 
+// New zip archive
 func New(target *os.File) Archive {
 	return Archive{
 		z: zip.NewWriter(target),
 	}
 }
 
+// Add a file to the zip archive
 func (a Archive) Add(name, path string) (err error) {
 	file, err := os.Open(path)
 	if err != nil {
diff --git a/sha256sum/sha256.go b/sha256sum/sha256.go
index 9aaee5159..e25ba02e6 100644
--- a/sha256sum/sha256.go
+++ b/sha256sum/sha256.go
@@ -7,6 +7,7 @@ import (
 	"os"
 )
 
+// For calculates the SHA256 sum for the given file
 func For(path string) (result string, err error) {
 	file, err := os.Open(path)
 	if err != nil {