Fix backend server startup - move listen() inside database init to keep event loop alive

SerpentRace_Backend/src/Api/index.ts

@@ -167,8 +167,9 @@ app.use((req: express.Request, res: express.Response) => {
 // Initialize WebSocket service after database connection
 let webSocketService: WebSocketService;
 let gameWebSocketService: GameWebSocketService;
+let server: any; // Declare server variable
 
-// Initialize database connection
+// Initialize database connection and start server
 AppDataSource.initialize()
     .then(() => {
         const dbOptions = AppDataSource.options as any;
@@ -199,6 +200,27 @@ AppDataSource.initialize()
             .catch(error => {
                 logError('Failed to restore games from snapshots', error);
             });
+
+        // Start server with WebSocket support AFTER database is ready
+        server = httpServer.listen(PORT, () => {
+            logStartup('Server started successfully', {
+                port: PORT,
+                environment: process.env.NODE_ENV || 'development',
+                timestamp: new Date().toISOString(),
+                endpoints: {
+                    health: `/health`,
+                    swagger: `/api-docs`,
+                    users: `/api/users`,
+                    organizations: `/api/organizations`,
+                    decks: `/api/decks`,
+                    chats: `/api/chats`
+                },
+                websocket: {
+                    enabled: true,
+                    chatInactivityTimeout: `${process.env.CHAT_INACTIVITY_TIMEOUT_MINUTES || '30'} minutes`
+                }
+            });
+        });
     })
     .catch((error) => {
         const dbOptions = AppDataSource.options as any;
@@ -211,27 +233,6 @@ AppDataSource.initialize()
         process.exit(1);
     });
 
-// Start server with WebSocket support
-const server = httpServer.listen(PORT, () => {
-  logStartup('Server started successfully', {
-    port: PORT,
-    environment: process.env.NODE_ENV || 'development',
-    timestamp: new Date().toISOString(),
-    endpoints: {
-      health: `/health`,
-      swagger: `/api-docs`,
-      users: `/api/users`,
-      organizations: `/api/organizations`,
-      decks: `/api/decks`,
-      chats: `/api/chats`
-    },
-    websocket: {
-      enabled: true,
-      chatInactivityTimeout: `${process.env.CHAT_INACTIVITY_TIMEOUT_MINUTES || '30'} minutes`
-    }
-  });
-});
-
 // Graceful shutdown
 const gracefulShutdown = async (signal: string) => {
   logStartup(`Received ${signal}. Shutting down gracefully...`);