From 78fb4aeb8f4247cfde0528c9010f64223829fe18 Mon Sep 17 00:00:00 2001
From: Alexis Bouchez <alexbcz@proton.me>
Date: Sat, 4 Oct 2025 01:05:07 +0200
Subject: [PATCH] initial commit

---
 backend/main.go | 29 +++++++++++++++++++++++++++++
 go.mod          |  3 +++
 proxy/main.go   | 43 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 75 insertions(+)
 create mode 100644 backend/main.go
 create mode 100644 go.mod
 create mode 100644 proxy/main.go

diff --git a/backend/main.go b/backend/main.go
new file mode 100644
index 0000000..e1dddc0
--- /dev/null
+++ b/backend/main.go
@@ -0,0 +1,29 @@
+package main
+
+import (
+	"encoding/json"
+	"log"
+	"net/http"
+)
+
+type Response struct {
+	Message string              `json:"message"`
+	Headers map[string][]string `json:"headers"`
+	Path    string              `json:"path"`
+}
+
+func main() {
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		response := Response{
+			Message: "Hello from backend server!",
+			Headers: r.Header,
+			Path:    r.URL.Path,
+		}
+
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(response)
+	})
+
+	log.Println("Backend server démarré sur :8080")
+	log.Fatal(http.ListenAndServe(":8080", nil))
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..b4b6206
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module hypercommit.com/alex/go-reverse-proxy
+
+go 1.25.0
diff --git a/proxy/main.go b/proxy/main.go
new file mode 100644
index 0000000..f201aff
--- /dev/null
+++ b/proxy/main.go
@@ -0,0 +1,43 @@
+package main
+
+import (
+	"log"
+	"net/http"
+	"net/http/httputil"
+	"net/url"
+)
+
+func main() {
+	// URL du serveur backend
+	target, err := url.Parse("http://localhost:8080")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Créer le reverse proxy
+	proxy := httputil.NewSingleHostReverseProxy(target)
+
+	// Customiser les requêtes
+	proxy.Director = func(req *http.Request) {
+		req.URL.Scheme = target.Scheme
+		req.URL.Host = target.Host
+		req.Host = target.Host
+		req.Header.Set("X-Forwarded-Host", req.Header.Get("Host"))
+		req.Header.Set("X-Origin-Host", target.Host)
+	}
+
+	// Gérer les erreurs
+	proxy.ErrorHandler = func(w http.ResponseWriter, r *http.Request, err error) {
+		log.Printf("Erreur proxy: %v", err)
+		w.WriteHeader(http.StatusBadGateway)
+		w.Write([]byte("Service indisponible"))
+	}
+
+	// Démarrer le serveur sur le port 3000
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		proxy.ServeHTTP(w, r)
+	})
+
+	log.Println("Reverse proxy démarré sur :9000")
+	log.Fatal(http.ListenAndServe(":9000", nil))
+}