Framework Certified

Courses Blog Contact

Ruby on Rails Certified

Ruby on Rails Certified

Course outline

Module 1 · Ruby and Rails architecture

Ruby object model, blocks, and enumerables
Rails structure, configuration, and Zeitwerk
Ruby contracts and error design

Module 2 · Request flow and Hotwire

REST routing, controllers, and strong parameters
Views, Hotwire, Stimulus, and accessibility
Strong parameters and HTTP contracts
Turbo, Stimulus, and progressive enhancement

Module 3 · Active Record and data integrity

Associations, validations, and database constraints
Query composition, transactions, and locking
Safe migrations and backfills

Module 4 · Domain and service design

POROs, service, query, and form objects
Domain invariants and side-effect boundaries

Module 5 · Authentication and security

Sessions, password handling, and authorization
CSRF, XSS, injection, CSP, and secrets
Policy authorization and multitenancy

Module 6 · Jobs, mailers, files, and realtime

Active Job, retries, idempotency, and outbox
Mailers, Active Storage, Cable, and Turbo Streams
Outbox delivery and deduplication
Authorized realtime delivery

Module 7 · Testing and observability

Model, request, job, and system tests
Structured logs, errors, health, and tracing
Production observability and service signals

Module 8 · Performance and delivery

Caching, indexes, pools, and pagination
Deployment, migrations, compatibility, and rollback

CSRF, XSS, injection, CSP, and secrets

This lesson is part of the paid course.

Enroll to continue

Framework Certified

Independent certification for frontend and full-stack frameworks.

Courses Blog Contact Verify a certificate

© 2026 Framework Certified. All rights reserved.