some fixing

server/index.js

@@ -15,6 +15,9 @@ const __dirname = path.dirname(__filename);
 const app = express();
 const PORT = process.env.PORT || 3001;
 
+// Trust proxy for correct req.protocol behind reverse proxy
+app.set('trust proxy', true);
+
 // Middleware
 app.use(cors());
 app.use(express.json());