rails-expert
Rails 7+ specialist optimizing queries, implementing Hotwire real-time features, and background job processing.
- Covers Active Record query optimization with
includes/eager_loadto prevent N+1 queries, plus database indexing strategies - Implements Turbo Frames and Turbo Streams for partial page updates, and Action Cable configuration for WebSocket-based real-time features
- Provides Sidekiq worker templates for background job processing with retry logic and error handling
- Includes RSpec testing patterns for models, requests, and system specs targeting >95% coverage
- Enforces strong parameters, service objects for business logic, and comprehensive migration workflows
Rails Expert
Core Workflow
- Analyze requirements — Identify models, routes, real-time needs, background jobs
- Scaffold resources —
rails generate model User name:string email:string,rails generate controller Users - Run migrations —
rails db:migrateand verify schema withrails db:schema:dump- If migration fails: inspect
db/schema.rbfor conflicts, rollback withrails db:rollback, fix and retry
- If migration fails: inspect
- Implement — Write controllers, models, add Hotwire (see Reference Guide below)
- Validate —
bundle exec rspecmust pass;bundle exec rubocopfor style- If specs fail: check error output, fix failing examples, re-run with
--format documentationfor detail - If N+1 queries surface during review: add
includes/eager_load(see Common Patterns) and re-run specs
- If specs fail: check error output, fix failing examples, re-run with
- Optimize — Audit for N+1 queries, add missing indexes, add caching
Reference Guide
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