Learn to use Docker to manage our Ruby interpreter and use it to template new Rails applications.

Rack provides a minimal, modular, and adaptable interface for developing web applications in Ruby. In this episode, we create and insert our own Rack Middleware into a Rails 6 application.

Sometimes an old techniques with a modern twist can not only solve the problems at hand, but can also simplify the application's architecture.

Banks which require further authentication on transactions may decline charges if Strong Customer Authentication is not being performed on 3D Secure enabled Credit Cards. In this episode, we look at adding Stripe Checkout and webhooks to our Rails application.

In this episode, we look at the Liskov Substitution Principle. If S is a subtype of T, then objects of type T may be replaced with objects of type S without altering any of the desirable properties of the program.