Fix deployment issues

- Remove healthcheck from Dockerfile (Coolify handles this)
- Make database connection non-blocking
- Add Coolify-specific docker-compose file
- Improve error handling for database connection

server.js

@@ -21,14 +21,16 @@ const pool = new Pool({
   connectionTimeoutMillis: 2000,
 });
 
-// Test database connection
-pool.query('SELECT NOW()', (err, res) => {
-  if (err) {
-    console.error('Database connection error:', err);
-  } else {
+// Test database connection (non-blocking)
+pool.query('SELECT NOW()')
+  .then((res) => {
     console.log('Database connected successfully at:', res.rows[0].now);
-  }
-});
+  })
+  .catch((err) => {
+    console.error('Database connection error:', err.message);
+    console.error('Application will continue but database operations will fail');
+    console.error('Please ensure PostgreSQL is running and accessible');
+  });
 
 // Middleware
 app.use(express.json({ limit: '10mb' }));