Definitely recommend reading "The Little Elixir & OTP Guidebook" The focus of the book sounds like pretty much what you're asking for. The first few chapters c

Definitely recommend reading "The Little Elixir & OTP Guidebook" The focus of the book sounds like pretty much what you're asking for. The first few chapters cover Elixir basics, but its really just a primer -- easily skippable if you already know it. Starts with implementing OTP features from scratch so you can see what they do and why they exist, then dives into how to do it using OTP.