graceful shutdown

src/server.ts

@@ -2,8 +2,33 @@ import app from './app';
 import Logger from './middleware/Logger';
 import { PORT } from './config';
 
-app
-  .listen(PORT, () => {
-    Logger.info(`Server running on port : ${PORT}`);
-  })
-  .on('error', (e) => Logger.error(e));
+const startServer = () => {
+  const server = app.listen(PORT, () => {
+    Logger.info(`Server running on port: ${PORT}`);
+  });
+
+  // Handle server errors
+  server.on('error', (error) => {
+    Logger.error(`Server error: ${error.message}`);
+  });
+
+  // Graceful shutdown on termination signals
+  const shutdown = (signal: string) => {
+    Logger.info(`Received ${signal}. Closing HTTP server.`);
+    server.close((err) => {
+      if (err) {
+        Logger.error(`Error closing server: ${err.message}`);
+      } else {
+        Logger.info('HTTP server closed successfully.');
+      }
+      process.exit(err ? 1 : 0); // Exit with error code if there's an error
+    });
+  };
+
+  // Listen for termination signals
+  process.on('SIGINT', () => shutdown('SIGINT'));
+  process.on('SIGTERM', () => shutdown('SIGTERM'));
+};
+
+// Start the server
+startServer();