Learn RUBY-ON-RAILS with Real Code Examples
Updated Nov 25, 2025
Performance Notes
Rails is performant for most web applications
Use caching (fragment, page, or query caching) for speed
Background jobs for heavy tasks (Sidekiq, Delayed Job)
Database indexing improves query performance
Horizontal scaling with multiple web servers is possible
Security Notes
Built-in protections against SQL injection and XSS
Strong parameters prevent mass assignment
CSRF protection included by default
HTTPS recommended in production
Authentication and authorization via Devise, Pundit, or CanCanCan
Monitoring Analytics
Rails logging for server events
Integrate Sentry or NewRelic for errors/performance
Monitor database performance
Track HTTP requests and response times
Use dashboards for production insights
Code Quality
Follow Ruby style guides
Use modular controllers and models
Write automated tests
Document code and routes
Use Bundler and Gemfile for dependency management