Community Ruby on Rails Development Best Practices Comprehensive performance and maintainability optimization guide for Ruby on Rails applications, maintained by Community. Contains 45 rules across 8 categories, prioritized by impact to guide automated refactoring and code generation. When to Apply Reference these guidelines when: - Writing new Rails controllers, models, or views - Optimizing ActiveRecord queries and database access patterns - Implementing caching strategies (fragment, Russian doll, low-level) - Building or refactoring API endpoints - Adding Turbo Frames and Streams for inter…