Added hello-go example to make example image faster.

examples/hello-go/.gitignore

@@ -0,0 +1 @@
+/hello

examples/hello-go/Dockerfile

@@ -0,0 +1,6 @@
+FROM iron/go
+
+WORKDIR /function
+ADD hello .
+
+ENTRYPOINT ["./hello"]

examples/hello-go/README.md

@@ -0,0 +1,4 @@
+set -ex 
+
+docker run --rm -v "$PWD":/go/src/github.com/treeder/hello -w /go/src/github.com/treeder/hello iron/go:dev go build -o hello
+docker build -t iron/hello .

examples/hello-go/VERSION

@@ -0,0 +1 @@
+0.0.1

examples/hello-go/build.sh

@@ -0,0 +1,8 @@
+set -ex 
+
+USERNAME=iron
+IMAGE=hello
+
+# build it
+docker run --rm -v "$PWD":/go/src/github.com/iron/hello -w /go/src/github.com/iron/hello iron/go:dev go build -o hello
+docker build -t $USERNAME/$IMAGE .

examples/hello-go/hello.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"os"
+)
+
+type Input struct {
+	Name string `json:"name"`
+}
+
+func main() {
+	for _, e := range os.Environ() {
+		fmt.Println(e)
+	}
+	input := &Input{}
+	if err := json.NewDecoder(os.Stdin).Decode(input); err != nil {
+		log.Fatalln("Error! Bad input. ", err)
+	}
+	if input.Name == "" {
+		input.Name = "World"
+	}
+	fmt.Printf("Hello %v!\n", input.Name)
+}

examples/hello-go/release.sh

@@ -0,0 +1,17 @@
+set -ex
+
+USERNAME=iron
+IMAGE=hello
+
+# build it
+./build.sh
+# test it
+echo '{"name":"Johnny"}' | docker run --rm -i $USERNAME/hello
+# tag it
+docker run --rm -v "$PWD":/app treeder/bump patch
+version=`cat VERSION`
+echo "version: $version"
+docker tag $USERNAME/$IMAGE:latest $USERNAME/$IMAGE:$version
+# push it
+docker push $USERNAME/$IMAGE:latest
+docker push $USERNAME/$IMAGE:$version

examples/hello-ruby/release.sh

@@ -1,10 +1,9 @@
 USERNAME=iron
 # build it
-docker build -t $USERNAME/hello .
+docker build -t $USERNAME/hello:ruby .
 # test it
 echo '{"name":"Johnny"}' | docker run --rm -i $USERNAME/hello
 # tag it
 docker run --rm -v "$PWD":/app treeder/bump patch
-docker tag $USERNAME/hello:latest $USERNAME/hello:`cat VERSION`
 # push it
-docker push $USERNAME/hello
+docker push $USERNAME/hello:ruby