Fix MIME types using express.static options

server/index.js

@@ -14,16 +14,6 @@ const PORT = process.env.PORT || 3001;
 app.use(cors());
 app.use(express.json());
 
-// Set correct MIME types for static files
-app.use((req, res, next) => {
-  if (req.url.endsWith('.js')) {
-    res.setHeader('Content-Type', 'application/javascript');
-  } else if (req.url.endsWith('.css')) {
-    res.setHeader('Content-Type', 'text/css');
-  }
-  next();
-});
-
 // API Routes
 
 // Get all groups
@@ -383,8 +373,28 @@ app.post('/api/test-webhook', async (req, res) => {
   }
 });
 
-// Serve React app
-app.use(express.static(path.join(__dirname, '../client/build')));
+// Serve React app with proper MIME types
+const mimeTypes = {
+  '.js': 'application/javascript',
+  '.css': 'text/css',
+  '.json': 'application/json',
+  '.png': 'image/png',
+  '.jpg': 'image/jpeg',
+  '.gif': 'image/gif',
+  '.svg': 'image/svg+xml',
+  '.woff': 'font/woff',
+  '.woff2': 'font/woff2'
+};
+
+app.use(express.static(path.join(__dirname, '../client/build'), {
+  setHeaders: (res, filePath) => {
+    const ext = path.extname(filePath).toLowerCase();
+    if (mimeTypes[ext]) {
+      res.setHeader('Content-Type', mimeTypes[ext]);
+    }
+  }
+}));
+
 app.get('*', (req, res) => {
   res.sendFile(path.join(__dirname, '../client/build/index.html'));
 });