GitHub Actions Tutorial — Introduction
Chapter 1 — Introduction
GitHub Actions is a workflow automation platform built directly into GitHub. Unlike traditional CI/CD tools that require separate servers and complex setup, GitHub Actions runs in the cloud, triggers from any GitHub event, and uses simple YAML configuration.
In this chapter, you’ll learn what GitHub Actions is, understand its core building blocks, see how it compares to Jenkins and GitLab CI, and explore the pricing model and Marketplace ecosystem.
What You’ll Learn
- What GitHub Actions is and why it’s more than just CI/CD
- The six key concepts: Workflow, Job, Step, Action, Runner, Event
- How GitHub Actions compares to Jenkins, GitLab CI, and CircleCI
- Pricing tiers and usage limits
- How to find and use pre-built actions from the Marketplace
Topics Covered
1. What is GitHub Actions?
GitHub Actions automates workflows triggered by GitHub events — code pushes, pull requests, issue creation, scheduled cron jobs, and more. Learn what makes it unique compared to traditional CI/CD tools.
Read: What is GitHub Actions? →
2. Key Concepts
Every GitHub Actions workflow is built from six building blocks: Workflows, Jobs, Steps, Actions, Runners, and Events. This page breaks down each one with visual diagrams.
3. Actions vs Alternatives
How does GitHub Actions stack up against Jenkins, GitLab CI, CircleCI, and Travis CI? A detailed comparison covering setup, syntax, ecosystem, and use cases.
Read: Actions vs Alternatives →
4. Pricing & Limits
GitHub Actions offers generous free tiers, but understanding minutes, storage, and runner costs is essential. This page covers pricing for public repos, private repos, and enterprise plans.
5. Marketplace Overview
The GitHub Actions Marketplace has thousands of pre-built actions for testing, deployment, notifications, and more. Learn how to search, evaluate, and use them in your workflows.
Practice
Test your understanding of GitHub Actions fundamentals with hands-on exercises.
← Back to: GitHub Actions Home
Next: Chapter 2: Getting Started →
