What is the best way to send emails when a Node application exits

Is it possible to set up an email notification using nodemailer or a similar tool when Node exits? I've noticed that the 'onBeforeExit' event is only meant for synchronous tasks, so I'm looking for alternatives. Specifically, I'd like to receive an email alert if my MongoDB connection is lost or before my app crashes. I came across the NPM module async-exit-hook, but I couldn't quite figure out how to configure it for sending emails.
Any tips or suggestions?
Thank you in advance.

Answer №1

To handle uncaught exceptions, you can set up a listener and send emails from there. Similarly, for mongo connection issues, include email triggers in the catch or error block of your code.

For more information, refer to the following link:

https://nodejs.org/api/process.html#process_event_uncaughtexception

Implement a unified method for sending email notifications and call it from both scenarios.

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