Rails

A comprehensive Ruby on Rails style guide based on DHH and 37signals conventions. It provides detailed patterns for controllers, models, frontend (Turbo/Stimulus), architecture, testing (Minitest/fixtures), and gem selection following the 'vanilla Rails is plenty' philosophy.

A comprehensive guide for writing Ruby gems following Andrew Kane's battle-tested patterns from gems like Searchkick, PgHero, and Chartkick. Covers entry point structure, Rails integration with ActiveSupport.on_load, class macro DSLs, database adapter patterns, Minitest testing, and gemspec best practices.