Gems are a packaged library of functions that can extend your application or provide other features to your system. Learn to create and publish a ruby gem.

Factory Bot is a fixtures replacement which can generate the needed records directly in the tests. Faker can be used to create fake data for these records.

In this episode, we will go through some of the tips and tricks that we often take for granted. We will be looking at nested routes, scopes, migrations and more.

Callbacks are great for quickly tapping into the object life cycle. However, after a model or an application grows, it will become harder to maintain over time. It is better to extract the responsibility and separate the logic.

Sometimes our models get so large that they become unmaintainable. In this episode, we look at how we can slim down the size of the models without losing functionality.