Better documentation

Author: fatih

README.md

@@ -10,3 +10,39 @@ into your existing Go webserver to provide WebSocket reverse proxy.
 go get github.com/koding/websocketproxy
 ```
 
+## Usage
+
+Below is a simple app that runs on a server and proxies to the given backend url
+
+```bash
+go run proxy.go -backend ws://example.com -port 80
+```
+
+```go
+package main
+
+import (
+	"flag"
+	"net/http"
+	"net/url"
+
+	"github.com/koding/websocketproxy"
+)
+
+var (
+	flagPort    = flag.String("port", "3000", "Port of the reverse proxy")
+	flagBackend = flag.String("backend", "", "Backend URL for proxying")
+)
+
+func main() {
+	u, err := url.Parse(*flagBackend)
+	if err != nil {
+		log.Fataln(err)
+	}
+
+	err := http.ListenAndServe(":"+*flagPort, websocketproxy.NewProxy(u))
+	if err != nil {
+		log.Fataln(err)
+	}
+}
+```

websocketproxy.go

@@ -1,4 +1,4 @@
-// Package websocketproxy is a reverse websocket proxy handler
+// Package websocketproxy is a reverse proxy for WebSocket connections.
 package websocketproxy
 
 import (