Speaking about Elixir and Ruby, if you're wondering what the hell I've been meaning to achieve with dry-monitor project, then take a look at Telemetry 👇

https://hexdocs.pm/telemetry

This is kind of a standard in Elixir and it's another thing I wish we had in Ruby. Without a standard instrumentation API we have things like monitoring clients monkeypatching ORMs, db drivers, rack and so on. It's not great.