Fix: bind to 0.0.0.0 for external access (backend + frontend)

backend/src/app.js

@@ -153,14 +153,14 @@ const startServer = async () => {
     // Test database connection
     await testConnection();
     
-    // Start listening
-    app.listen(PORT, () => {
+    // Start listening on all interfaces (0.0.0.0)
+    app.listen(PORT, '0.0.0.0', () => {
       logger.info(`🚀 Server is running on port ${PORT}`);
       logger.info(`📊 Environment: ${process.env.NODE_ENV || 'development'}`);
-      logger.info(`🔗 Health check: http://localhost:${PORT}/health`);
+      logger.info(`🔗 Health check: http://0.0.0.0:${PORT}/health`);
       console.log(`\n✨ Oltalama Backend Server Started!`);
-      console.log(`🌐 API: http://localhost:${PORT}/api`);
-      console.log(`🎯 Tracking: http://localhost:${PORT}/t/:token\n`);
+      console.log(`🌐 API: http://0.0.0.0:${PORT}/api`);
+      console.log(`🎯 Tracking: http://0.0.0.0:${PORT}/t/:token\n`);
     });
   } catch (error) {
     logger.error('Failed to start server:', error);

deploy.sh

@@ -435,8 +435,8 @@ module.exports = {
     {
       name: 'oltalama-frontend',
       cwd: '/opt/oltalama/frontend',
-      script: 'npm',
-      args: 'run preview',
+      script: 'node_modules/.bin/vite',
+      args: 'preview --host 0.0.0.0 --port 4173',
       instances: 1,
       exec_mode: 'fork',
       watch: false,