rails-dev

name

rails-dev

description

Ruby on Rails performance and maintainability optimization guidelines for building backend APIs and frontend web applications. This skill should be used when writing, reviewing, or refactoring Ruby on Rails code to ensure optimal patterns for controllers, models, ActiveRecord queries, caching, views, API design, security, and background jobs. Triggers on tasks involving Rails controllers, ActiveRecord queries, migrations, Turbo/Hotwire, API endpoints, background jobs, or Rails performance improvements.

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 interactive UIs
• Reviewing code for N+1 queries and security vulnerabilities
• Designing background jobs with Sidekiq or Active Job
• Writing or reviewing database migrations

Rule Categories by Priority

Priority	Category	Impact	Prefix
1	Database & ActiveRecord	CRITICAL	db-
2	Controllers & Routing	CRITICAL	ctrl-
3	Security	HIGH	sec-