30 days of GitHub Actions

Some GitHub Actions workflows can look really complex, but this is often the result of incremental changes over time, which added more and more capabilities to the workflow.

With this series we’ll build up workflows starting from the most basic examples, to really complex and powerful ones. Hopefully this helps you understand GitHub Actions better.

Articles in this series

Introduction Learn how to automate your development workflows, from testing to deployment, with GitHub Actions.

Triggers Learn how to set up GitHub Action triggers for push, pull requests, scheduled events, and manual runs to streamline your CI/CD pipeline.

Pull Request vs Pull Request Target Understand the differences between the `pull_request` and `pull_request_target` triggers in GitHub Actions.

Jobs and Steps Understand the relation between jobs and steps to automate your CI/CD pipeline across various environments.

Environment Variables Learn about the various environment variables available in GitHub Actions, how to use them to customize your workflows, and how to set custom variables yourself.

The Matrix Strategy Understand the matrix strategy in GitHub Actions and how to use it to run jobs across multiple configurations.

Caching Dependencies Learn how to use caching in GitHub Actions to speed up your workflows by caching dependencies and other frequently reused files.

Environments Learn how to isolate secrets and manage different stages for your GitHub Actions workflows using environments.

Triggering a Workflow from Another Workflow Learn how to trigger a workflow from another workflow, even from another repository, using a GitHub App token and not personal access tokens.

Debugging Learn how to debug GitHub Actions, using the Act docker image or an interactive session into the live runner instance.

Larger Runners Learn how to use larger custom GitHub Actions runners to speed up your workflows.

Self-hosted Runners Self-hosting GitHub Actions runners can provide more control over the environment and potentially reduce costs compared to using GitHub-hosted runners. Here are some solutions for setting up self-hosted runners.

Actions Runner Controller on Kubernetes with MicroK8s This article shows how to install GitHub Actions Runner Controller (ARC) on Kubernetes with MicroK8s. It also shows how to create a private GitHub App and register it with ARC.