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I work at a healthcare company, where our primary language had been Ruby. All of our new development, except 1 off scripts, is in Elixir.

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Same here all across the board: healthcare, previously Ruby, everything new is in Elixir.

Awesome to hear. If you're ever interested in chatting about elixir in healthcare, shoot me an email. Mine is in my profile.

How did the migration go if I may ask? Was it progressive or clean slate? i.e. develop in parallel the new Elixir implementation and just switch when everything is green and all the specs match the Ruby app.

It's going well! Most of the team is eager to learn something new. The developer ergonomics in Elixir/Phoenix are quite a bit better than Ruby/Rails, which is really saying something because Ruby/Rails has been really great to us!

We're starting new projects in Elixir. We haven't ported anything from Ruby to Elixir yet, but we have a 9 year old ~100k lines of code (not counting views/tests) Rails app that we could make an argument to extract some functionality from.

For us, we just do new parts and projects in Elixir.

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