Building a CI/CD Pipeline with GitHub Actions: From Zero to Auto-Deploy

GitHub Actions provides a powerful, free CI/CD platform built into your repository.

CI Workflow

name: CI Pipeline
on:
  push:
    branches: [main, develop]
jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: 20
      - run: npm ci
      - run: npm test

Docker Build

  build:
    needs: test
    steps:
      - uses: docker/build-push-action@v5
        with:
          push: true
          tags: ghcr.io/${{ github.repository }}:${{ github.sha }}

Multi-Environment Deploy

  deploy-staging:
    needs: build
    environment: staging
    steps:
      - run: ssh deploy@staging "docker compose up -d"

  deploy-production:
    needs: deploy-staging
    environment: production
    steps:
      - run: ssh deploy@prod "docker compose up -d"

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