GitHub Actions Workshop

A hands-on workshop repo for learning GitHub Actions — from basic workflows to full CI/CD pipelines.

Presenter Guide: See demosteps.md for detailed walkthrough instructions.

Repository Structure

├── .github/workflows/       # All workflow YAML files
├── .github/actions/         # Custom actions (JS, Composite, Docker)
├── demos/
│   ├── demo1a/              # Demo 1a files + docs
│   ├── demo1b/              # Demo 1b files + docs
│   ├── demo1c/              # Demo 1c files + docs
│   ├── demo2/               # Demo 2 files + docs
│   ├── ...
│   └── demo9/               # Demo 9 files + docs
└── README.md

Demos

Demo	Topic	Workflow	Docs	Time
1a	Hello World — Simplest Workflow	01a-hello-world.yml	demo1a.md	~5 min
1b	Checkout, Scripts & Manual Triggers	01b-checkout-and-scripts.yml	demo1b.md	~5 min
1c	Context Variables, Summaries & Matrix	01c-summaries-and-matrix.yml	demo1c.md	~5 min
2	Environments, Secrets & GITHUB_TOKEN Permissions	02-env-secrets-permissions.yml	demo2.md	~10 min
3	Reusable Workflows & Caching	03-reuse-cache.yml + _reusable-test.yml	demo3.md	~10 min
4	Custom Actions (JavaScript + Composite)	04-custom-actions.yml	demo4.md	~10 min
4b	Custom Docker Action	04b-docker-action.yml	demo4b.md	~5 min
5	Runners (GitHub-hosted) & Workflow Logs	05-runners-logs.yml	demo5.md	~10 min
6	Actions Runner Controller (ARC)	06-arc.yml	demo6.md	~10 min
7	Full Python CI/CD Pipeline	07-python-cicd.yml	demo7.md	~10 min
8	Copilot-Generated CI Workflow	08-copilot-ci.yml	demo8.md	~15 min
9	Service Containers (PostgreSQL sidecar)	09-service-containers.yml	demo9.md	~10 min

Each workflow only triggers on changes to its own demo folder or workflow file. Push safely without running everything.

How to Run

1. Push a change to a specific demos/demoN/ folder to trigger that demo's workflow
2. Or use Actions → Run workflow for manual dispatch