Once you deploy an app into production and real people start using it on real devices, weird stuff is going to happen. Your app will fail in all sorts of strange ways. You need to capture these errors...

stuff is going to happen. Your app will fail in all sorts of strange ways. You need to capture these

errors so that you can analyze them and work to improve the quality and robustness of your app.

Mongo DB is a great place to log the errors, but how do you get them, reliably, from the client to

your server?