Add controller code

internal/deploy/controller.go

@@ -0,0 +1,34 @@
+package deploy
+
+import (
+	"fmt"
+	"net"
+	"net/http"
+)
+
+type ReverseProxyController struct {
+	srv *http.Server
+}
+
+func NewReverseProxyController() *ReverseProxyController {
+	return &ReverseProxyController{}
+}
+
+func (c *ReverseProxyController) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+
+}
+
+func (c *ReverseProxyController) Listen() (port int, err error) {
+	listener, err := net.Listen("tcp", ":0")
+	if err != nil {
+		return 0, fmt.Errorf("net.Listen failed: %s", err)
+	}
+	port = listener.Addr().(*net.TCPAddr).Port
+	c.srv = &http.Server{Addr: ":0", Handler: c}
+	go c.srv.Serve(listener)
+	return port, nil
+}
+
+func (c *ReverseProxyController) Terminate() {
+	c.srv.Close()
+}