Learn to use custom error pages to provide a similar look to your application. Get notified on Slack as errors occur to act on them before they're reported.

Slow tests can slow down your development process. Using parallel_tests, you can speed up your test suite by multiple threads and running the tests in groups.

GitHub Actions makes it easy to automate all your software workflows, now with world-class CI/CD. Build, test, and deploy your code right from GitHub. In this episode, learn to set up GitHub Actions on your Ruby on Rails application with automated tests, code coverage reporting, and security testings.

Basics on importing and exporting CSV Data using Ruby and without gems.

Sidekiq is a Ruby Background Processor that manages its queue with a Redis service. Learn the basics of Sidekiq and integrating it with ActiveJob.