GitHub introduced their own CI server solution called GitHub Actions. You will learn how to set up your Ruby on Rails application on GitHub Actions with the YAML config file. To run your RSpec test suite faster, you will configure parallel jobs with matrix strategy on GitHub Actions.
Automate Your Workflow on GitHub Actions
GitHub Actions makes it easy to automate all your software workflows with world-class CI/CD. The building, testing, and deploying your code right from GitHub became available with simple YAML configuration.