Show HN: Ruby on Rails tutorial running in the browser

Meet the Ruby on Rails Getting Started tutorial that runs fully in the browser: a web server, a console, a database—everything you need to explore the framework without dealing with local installation.

Source code: https://github.com/evilmartians/rails-tutorial

This is the first step towards an in-browser development environment for Rails that could be used with AI app generators like Bolt among other things.