Removed a commented line in order to close the connection with the mo…

…ngodb

questionservice/question-service.js

@@ -37,7 +37,7 @@ const server = app.listen(port, () => {
   // Listen for the 'close' event on the Express.js server
 server.on('close', () => {
     // Close the Mongoose connection
-    //mongoose.connection.close();
+    mongoose.connection.close();
 });
 
 module.exports = server