diff --git a/.env b/.env
index b7529dc4..674d53f3 100755
--- a/.env
+++ b/.env
@@ -1,5 +1,5 @@
+PORT=4000
 DB_HOST=the-tip-top-db
-DB_USER=thetiptop
-DB_PASS=thepass
+DB_USER=postgres
+DB_PASS=postgres
 DB_NAME=thetiptop
-PORT=3001
diff --git a/index.js b/index.js
index e69de29b..d1aa7faa 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,41 @@
+import express from "express";
+import pkg from "pg";
+import cors from "cors";
+import dotenv from "dotenv";
+
+dotenv.config();
+const { Pool } = pkg;
+const app = express();
+
+app.use(cors());
+app.use(express.json());
+
+// Connexion PostgreSQL
+const pool = new Pool({
+  host: process.env.DB_HOST,
+  user: process.env.DB_USER,
+  password: process.env.DB_PASS,
+  database: process.env.DB_NAME,
+  port: 5432,
+});
+
+// Test de connexion à la base
+app.get("/db-check", async (req, res) => {
+  try {
+    const result = await pool.query("SELECT NOW()");
+    res.json({ message: "✅ Connexion PostgreSQL OK", time: result.rows[0].now });
+  } catch (err) {
+    console.error("Erreur DB:", err.message);
+    res.status(500).json({ error: "❌ Connexion à la base échouée" });
+  }
+});
+
+// Route test API
+app.get("/", (req, res) => {
+  res.json({ message: "The Tip Top API is running 🚀" });
+});
+
+const PORT = process.env.PORT || 4000;
+app.listen(PORT, "0.0.0.0", () => {
+  console.log(`🚀 Backend lancé sur le port ${PORT}`);
+});