More verbose startup

whatsMyIpServer.go

@@ -24,6 +24,8 @@ func respondWithIp(writer http.ResponseWriter, request *http.Request) {
 }
 
 func main() {
+	addr := ":8080"
 	http.HandleFunc("/", respondWithIp)
-	http.ListenAndServe(":8080", nil)
+	fmt.Println("Starting server on", addr)
+	http.ListenAndServe(addr, nil)
 }