CI in an Afternoon with GitHub Actions

Continuous integration (CI) means your tests run automatically every time code is pushed. It's the safety net that catches what you and the AI missed, and it's free for most small projects on GitHub.

What you'll have by the end

• Tests run on every push and pull request.
• A red ✗ on any pull request that breaks something.
• A rule that stops a red pull request from being merged into main.

Step 1: the workflow file

Create .github/workflows/tests.yml. This one is for a Laravel app; ask your AI to adapt it for your stack.

name: tests

on:
  push:
    branches: [main]
  pul...