Topics
Each topic is a deep reference pillar covering one major area of Ruby and Rails engineering. Start with the overview, then follow the sub-topics, related guides and learning paths.
Rails Deployment
Server provisioning, process management, Nginx, PostgreSQL, secrets, monitoring and the real failure modes of small-to-medium production stacks. Covers VPS, PaaS and container-based approaches.
Rails Internals
How the request cycle works end-to-end, Rack middleware ordering, autoloading with Zeitwerk, the asset pipeline, ActiveRecord connection management and the framework plumbing most developers never read.
Ruby Performance
Memory allocation patterns, garbage collection tuning, YJIT in production, object shapes, profiling tools and how to measure what actually moves the needle for your application.
Debugging & Maintenance
Production triage workflows, structured log analysis, dependency audits, safe refactoring in legacy codebases and building confidence in inherited applications.