In this episode, we add Bootstrap into a Rails 6 application and look at various aspects of website accessibility.

State Machines are useful for tracking the state of an object. With AASM, we take a dive into how states can transition as well as modifying states and interacting with them.

Even fast websites can seem slow if it takes a while for the content to get to them. This can be partially solved with a Content Delivery Network (CDN). However, most resources usually only shows how to set up static assets and not uploaded content. Learn how to use Amazon CloudFront to cache and serve uploaded content from Active Storage.

With custom controllers and Global ID, we can lock down Active Storage files to provide a link which expires after a duration of time. At the beginning of the video, I tour the new Rails 7 template and configuration that will be used for episodes going forward.

Using feature flags based on Redis, we can enable and disable access to certain areas of our application. In this episode, learn how to set up this functionality.