AstonJ
How to set-up a Ruby and Elixir dev environment on macOS (2021)
Just finished doing a clean install of macOS (which I highly recommend btw!) and have updated my macOS Ruby & Elixir/Erlang dev env set-up guide too:
https://astonj.com/how-to-set-up-a-ruby-and-elixir-dev-environment-on-macos-2021
If anyone can suggest any improvements please let me know! 
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