inital

backend/src/server.ts

@@ -0,0 +1,73 @@
+import app from './app';
+import environment from './config/environment';
+import logger from './utils/logger';
+import { testConnection, closePool } from './config/database';
+
+const startServer = async (): Promise<void> => {
+  try {
+    // Test database connection
+    logger.info('Testing database connection...');
+    const dbConnected = await testConnection();
+
+    if (!dbConnected) {
+      logger.warn('Database connection failed - server will start but database operations may fail');
+    }
+
+    // Start the server
+    const server = app.listen(environment.port, () => {
+      logger.info('Server started successfully', {
+        port: environment.port,
+        environment: environment.nodeEnv,
+        database: dbConnected ? 'connected' : 'disconnected',
+      });
+    });
+
+    // Graceful shutdown handling
+    const gracefulShutdown = async (signal: string) => {
+      logger.info(`${signal} received. Starting graceful shutdown...`);
+
+      server.close(async () => {
+        logger.info('HTTP server closed');
+
+        // Close database connection
+        await closePool();
+
+        logger.info('Graceful shutdown completed');
+        process.exit(0);
+      });
+
+      // Force shutdown after 10 seconds
+      setTimeout(() => {
+        logger.error('Forced shutdown after timeout');
+        process.exit(1);
+      }, 10000);
+    };
+
+    process.on('SIGTERM', () => gracefulShutdown('SIGTERM'));
+    process.on('SIGINT', () => gracefulShutdown('SIGINT'));
+
+  } catch (error) {
+    logger.error('Failed to start server', { error });
+    process.exit(1);
+  }
+};
+
+// Handle unhandled promise rejections
+process.on('unhandledRejection', (reason: Error, _promise: Promise<any>) => {
+  logger.error('Unhandled Promise Rejection', {
+    reason: reason.message,
+    stack: reason.stack,
+  });
+});
+
+// Handle uncaught exceptions
+process.on('uncaughtException', (error: Error) => {
+  logger.error('Uncaught Exception', {
+    message: error.message,
+    stack: error.stack,
+  });
+  process.exit(1);
+});
+
+// Start the server
+startServer();