Thanks for participating in the event last night! Daniel collected a list of links about things that were mentioned.
Problems of legacy apps:
https://github.com/fastruby/next_rails
https://github.com/danmayer/coverband
https://github.com/jaredbeck/libyear-bundler
Developer experience:
https://zed.dev/
https://github.com/ruby/debug
https://docs.github.com/en/codespaces/setting-up-your-project-for-codespaces/adding-a-dev-container-configuration/introduction-to-dev-containers
https://cursor.sh/
https://github.com/ctran/annotate_models
https://yardoc.org/
https://github.com/exoego/rspec-openapi
https://github.com/interagent/committee
https://github.com/prontolabs/pronto
Thank you all for the valuable insights!
I'd also like to report that the memory issue for Fly.io app has been solved by adding a `swap_size_mb = 256` line to the fly.toml file. This allows the app to share memory between multiple VM instances (2 of them provided by default in the free tier)