Course · 7 lessons ~60 hr Advanced

Architecture Patterns & Domain Modeling

Master the architectural patterns that keep large Rails applications maintainable: layered architecture, DDD, modular monoliths, service objects, and the decision framework for when to extract microservices.

reading · we frame, you read MIT or the canonical taught · we author, no canonical fits ↺ spirals back to earlier lessons
Course locked

Complete Performance, Profiling & Scaling first.

This course unlocks once you've finished its prerequisite. Open prerequisite →

7 lessons. Read in order; spiral back when you need to. By the end you'll have used the core ideas twice — once on the abstract, once on something you'll meet at work next week.