Add redirect example

README.md

@@ -28,11 +28,12 @@ Use flag `--registry=mdns`
 - [sidecar](sidecar) - Greeter service using the sidecar with multiple languages
 - [booking](booking) - A booking.com demo application
 - [plugins](plugins) - How to use plugins
-- [template](template) - Api, web and srv service templates generated with the 'micro new' command
 - [broker](broker) - A example of using Broker for Publish and Subscribing.
 - [client](client) - Usage of the Client package to call a service.
+- [redirect](redirect) - An example of how to http redirect using an API service
 - [server](server) - Use of the Server package directly to server requests.
 - [service](service) - Example of the top level Service in go-micro.
+- [template](template) - Api, web and srv service templates generated with the 'micro new' command
 - [grpc](grpc) - Examples of how to use [go-grpc](https://github.com/micro/go-grpc)
 
 ## External

redirect/README.md

@@ -0,0 +1,29 @@
+# Redirect
+
+This demonstrates how to http redirect using an API service
+
+## Usage
+
+Run the micro API
+
+```
+micro --registry=mdns api
+```
+
+Run the redirect API
+
+```
+go run main.go --registry=mdns
+```
+
+Make request
+```
+curl -v http://localhost:8080/redirect/url
+```
+
+Should return
+
+```
+HTTP/1.1 301 Moved Permanently
+Location: https://google.com
+```

redirect/main.go

@@ -0,0 +1,39 @@
+package main
+
+import (
+	"log"
+
+	"github.com/micro/go-micro"
+	api "github.com/micro/micro/api/proto"
+	"golang.org/x/net/context"
+)
+
+type Redirect struct {}
+
+func (r *Redirect) Url(ctx context.Context, req *api.Request, rsp *api.Response) error {
+	rsp.StatusCode = int32(301)
+	rsp.Header = map[string]*api.Pair{
+		"Location": &api.Pair{
+			Key: "Location",
+			Values: []string{"https://google.com"},
+		},
+	}
+	return nil
+}
+
+func main() {
+	service := micro.NewService(
+		micro.Name("go.micro.api.redirect"),
+	)
+
+	// parse command line flags
+	service.Init()
+
+	service.Server().Handle(
+		service.Server().NewHandler(new(Redirect)),
+	)
+
+	if err := service.Run(); err != nil {
+		log.Fatal(err)
+	}
+}