The course is designed for Rails programmers who want to improve their architecture/design skills. If you've had enough being CRUD-driven and believe there's a better way, you're in the right place.
You probably have worked on several Rails apps already so you know that after the first month, working on a Rails codebase is not much fun anymore. Rails allows us to start quickly, impress our clients in the first 2 weeks, but later things are less happy.
Big and ugly controllers.
Big and complicated ActiveRecord objects.
Slow builds.
Complicated test scenarios.
Subtle bugs related to callbacks, STI and/or autosave.
You get also:
Domain-Driven Rails Video Course
Rails TDD Video Class
Domain-Driven Rails