From 90663f3bfe8adfbf676ca478d71e2fe059583424 Mon Sep 17 00:00:00 2001
From: Jasper Spahl <jasperspahl@web.de>
Date: Sun, 30 Jan 2022 17:21:00 +0100
Subject: [PATCH] created proxy for development

---
 assets/src/App.tsx |  1 +
 main.go            |  2 +-
 server/server.go   | 31 +++++++++++++++++++++++++++++--
 3 files changed, 31 insertions(+), 3 deletions(-)

diff --git a/assets/src/App.tsx b/assets/src/App.tsx
index 6288bdb..4f00c6a 100644
--- a/assets/src/App.tsx
+++ b/assets/src/App.tsx
@@ -5,6 +5,7 @@ function App() {
   return (
     <div>
       <h2>App</h2>
+      <p>Some other stuff</p>
     </div>
   )
 }
diff --git a/main.go b/main.go
index 82eb4fa..48590f6 100644
--- a/main.go
+++ b/main.go
@@ -25,6 +25,6 @@ func main() {
 
 	models.SeedDatabase()
 
-	server.Setup()
+	server.Setup(prodMode)
 
 }
diff --git a/server/server.go b/server/server.go
index 30fe699..3e8a0b1 100644
--- a/server/server.go
+++ b/server/server.go
@@ -2,22 +2,49 @@ package server
 
 import (
 	"net/http"
+	"net/http/httputil"
+	"net/url"
 
 	"github.com/gin-contrib/static"
 	"github.com/gin-gonic/gin"
+	log "github.com/sirupsen/logrus"
 	"spahl.ddns.net/jasper/wok-able-backend/controllers"
 )
 
 var httpServer *http.Server
 var httpRouter *gin.Engine
 
-func Setup() {
+func proxy(c *gin.Context) {
+	remote, err := url.Parse("http://localhost:3000")
+	if err != nil {
+		panic(err)
+	}
+
+	proxy := httputil.NewSingleHostReverseProxy(remote)
+
+	proxy.Director = func(req *http.Request) {
+		req.Header = c.Request.Header
+		req.Host = remote.Host
+		req.URL.Scheme = remote.Scheme
+		req.URL.Host = remote.Host
+		req.URL.Path = c.Request.URL.Path
+	}
+	proxy.ServeHTTP(c.Writer, c.Request)
+}
+
+func Setup(prodMode string) {
 	httpRouter = gin.New()
 
 	httpRouter.Use(gin.Logger())
-	httpRouter.Use(static.Serve("/", static.LocalFile("./assets/build", false)))
 
 	controllers.Setup(httpRouter)
 
+	if prodMode == "release" {
+		httpRouter.Use(static.Serve("/", static.LocalFile("./assets/build", false)))
+	} else {
+		httpRouter.NoRoute(proxy)
+		log.Info("using reverse proxy")
+	}
+
 	httpRouter.Run()
 }