Deploy AnyCable with Capistrano and systemd
First of all, if you still don't know what is AnyCable than probably you never tried websockets in Rails. "WTF???" you probably will say, and you are right. Yes, we have ActionCable since Rails 5.x, but you really believe Ruby is suitable for real time web? I have bad news for you.
Protocol OAuth2: let’s play with Doorkeeper & Omniauth/OAuth2. Part 1.
Know your sandbox: shallow dive into OAuth2 protocol with Rails and Doorkeeper.
Ruby string literals VS Value objects. Overengineering?
A guide on how to get rid of string literals in Ruby with Rails 5 Attributes API