L1
Honest Take — Before You Begin
Honest reflections on understanding the framework you build on
preview →
Course · 6 lessons
~60 hr
Advanced
Rails Internals & Framework Deep Dive
Understand how Rails works under the hood — Rack, middleware, the request cycle, Railties, engines, and the initialization process. Move from "Rails user" to "Rails contributor."
reading · we frame, you read MIT or the canonical
taught · we author, no canonical fits
↺ spirals back to earlier lessons
Course locked
Complete The Ruby Object Model & OOP Mastery first.
This course unlocks once you've finished its prerequisite. Open prerequisite →
L2
Read: Crafting Rails 4 Applications (Valim)
Approach: READ cover-to-cover
primary
Rails Source Code on GitHub
locked
L3
Read: Rebuilding Rails (McGavren)
Approach: READ cover-to-cover, BUILD ALONG
primary
Rails Source Code on GitHub
locked
L4
Read: Agile Web Development with Rails 7
Approach: SELECTIVE: Part III (Rails Internals)
primary
Rails Source Code on GitHub
locked
L5
Module Checklist
Work through each item before the checkpoint.
locked
L6
Checkpoint: Build a custom Railtie or Rails engine that adds real fun...
Build a custom Railtie or Rails engine that adds real functionality to a Rails app. Then trace a request from rails server through Rack, middleware, routing, controller, view rend…
locked
6 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.