diff --git a/client/.env b/client/.env.development
similarity index 100%
rename from client/.env
rename to client/.env.development
diff --git a/docker-compose.yaml b/docker-compose.yaml
index 97c112f..184857f 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -3,12 +3,13 @@ services:
   frontend:
     image: fuhrmanator/evaluetonsavoir-frontend:latest
     container_name: frontend
+    environment:
+      # Define empty VITE_BACKEND_URL because it's production
+      - VITE_BACKEND_URL=
+      # Define empty VITE_BACKEND_SOCKET_URL so it will default to window.location.host
+      - VITE_BACKEND_SOCKET_URL=
     ports:
       - "5173:5173"
-    environment:
-      VITE_BACKEND_URL: "http://localhost:4400"
-      # don't define VITE_BACKEND_SOCKET_URL so it will default to window.location.host
-      # VITE_BACKEND_SOCKET_URL: "" 
     restart: always
 
   backend:
diff --git a/server/app.js b/server/app.js
index 4616014..570ee8b 100644
--- a/server/app.js
+++ b/server/app.js
@@ -52,6 +52,7 @@ const cors = require("cors");
 const bodyParser = require('body-parser');
 
 const configureServer = (httpServer, isDev) => {
+  console.log(`Configuring server with isDev: ${isDev}`);
   return new Server(httpServer, {
     path: "/socket.io",
     cors: {
@@ -68,7 +69,7 @@ const server = http.createServer(app);
 
 console.log(`Environnement: ${process.env.NODE_ENV} (${isDev ? 'dev' : 'prod'})`);
 
-const io = configureServer(server);
+const io = configureServer(server, isDev);
 console.log(`Server configured with cors.origin: ${io.opts.cors.origin} and secure: ${io.opts.secure}`);
 
 setupWebsocket(io);