GitHub Actions CI/CD for Beginners: Deploy Your App Automatically in 2026

You push code, tests run automatically, and your app deploys itself. That's CI/CD, and GitHub Actions makes it free and surprisingly easy. What Is CI/CD? CI (Continuous Integration) : Automatically run tests when you push code CD (Continuous Deployment) : Automatically deploy when tests pass GitHub Actions gives you 2,000 free minutes/month on public repos (and 500 on private). Your First Workflow: Run Tests on Every Push Create .github/workflows/test.yml : name : Run Tests on : push : branches : [ main ] pull_request : branches : [ main ] jobs : test : runs-on : ubuntu-latest steps : - uses : actions/checkout@v4 - name : Setup Node.js uses : actions/setup-node@v4 with : node-version : ' 20' cache : ' npm' - name : Install dependencies run : npm ci - name : Run tests run : npm test - name : Run linter run : npm run lint That's it. Push this file and GitHub will run your tests on every push and PR. Deploy to Vercel on Merge name : Deploy to Vercel on : push : branches : [ main ] jobs :