We look at 4 different ways to add Bootstrap v5 to our Rails application. Depending on your application's direction, you may choose the appropriate route; Webpacker, the Bootstrap gem, CDN or Hotwire + yarn.

A class should only have a single responsibility, that is, only changes to one part of the software's specification should be able to affect the specification of the class.

In this episode, we look at setting up a Rails 7 API (only) application and create our own authentication solution. We'll also write the tests around the different controller endpoints that we create to make sure that we have good test coverage and functionality.

Open/Closed principle states "software entities (classes, modules, functions, etc.) should be open for extension, but closed for modification"; that is, such an entity can allow its behaviour to be extended without modifying its code.

We may come across a need to run shell commands and Ruby has some built in methods which appear safe, but can introduce major security risks.