Do I need to manually close a mongoose connection?

Question

New to Node, Mongoose & Mongodb - haven\'t read the source code...

I have a Node application which opens a file, parses the lines into records and saves the reco

Answer 1

You should close a mongoose connection when a Node POSIX signal is happening. SIGINT process is triggered when Ctrl-C has been pressed on terminal or a server shutdown.

Another possible scenario is to close a connection when a data streaming is done. Anyway is more recommended to connect on startup and disconnect on shutdown.

This is the code for disconnection on a SIGINT signal.

// If the Node process ends, close the Mongoose connection
process.on('SIGINT', function() {
  mongoose.connection.close(function () {
    console.log('Mongoose disconnected on app termination');
    process.exit(0);
  });
});