> I mean I've got lots of books on OTP. But if i'm building a daemon which reads off a queue and talks to some databases - where are some patterns I can follow?

> I mean I've got lots of books on OTP. But if i'm building a daemon which reads off a queue and talks to some databases - where are some patterns I can follow? This is a fair point, even in Erlang land. There are a zillion things encouraging you to "let it crash" and far fewer going beyond that. One thing that doesn't get mentioned often enough is a circuit-breaker like fuse: https://github.com/jlouis/fuse https://github.com/jlouis/fuse This also has some more advanced topics: https://www.erlang-in-anger.com/ https://www.erlang-in-anger.com/