Github Actions Templates

Modelos GitHub Actions

Padrões de workflow GitHub Actions prontos para produção para testes, build e deployment de aplicações.

Não use essa skill quando

• A tarefa é não relacionada a modelos de workflow GitHub Actions
• Você precisa de um domínio ou ferramenta diferente fora desse escopo

Instruções

• Esclareça objetivos, restrições e entradas obrigatórias.
• Aplique as melhores práticas relevantes e valide os resultados.
• Forneça passos acionáveis e verificação.
• Se exemplos detalhados forem necessários, abra resources/implementation-playbook.md.

Propósito

Criar workflows GitHub Actions eficientes e seguros para integração contínua e deployment em diversos tech stacks.

Use essa skill quando

• Automatizar testes e deployment
• Build de imagens Docker e push para registros
• Deploy em clusters Kubernetes
• Executar scans de segurança
• Implementar matrix builds para múltiplos ambientes

Padrões de Workflow Comuns

Padrão 1: Workflow de Testes

name: Test

on:
  push:
    branches: [ main, develop ]
  pull_request:
    branches: [ main ]

jobs:
  test:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        node-version: [18.x, 20.x]

    steps:
    - uses: actions/checkout@v4

    - name: Use Node.js ${{ matrix.node-version }}
      uses: actions/setup-node@v4
      with:
        node-version: ${{ matrix.node-version }}
        cache: 'npm'

    - name: Install dependencies
      run: npm ci

    - name: Run linter
      run: npm run lint

    - name: Run tests
      run: npm test

    - name: Upload coverage
      uses: codecov/codecov-action@v3
      with:
        files: ./coverage/lcov.info

Referência: Veja assets/test-workflow.yml

Padrão 2: Build e Push de Imagem Docker

name: Build and Push

on:
  push:
    branches: [ main ]
    tags: [ 'v*' ]

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
    - uses: actions/checkout@v4

    - name: Log in to Container Registry
      uses: docker/login-action@v3
      with:
        registry: ${{ env.REGISTRY }}
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Extract metadata
      id: meta
      uses: docker/metadata-action@v5
      with:
        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
        tags: |
          type=ref,event=branch
          type=ref,event=pr
          type=semver,pattern={{version}}
          type=semver,pattern={{major}}.{{minor}}

    - name: Build and push
      uses: docker/build-push-action@v5
      with:
        context: .
        push: true
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}
        cache-from: type=gha
        cache-to: type=gha,mode=max

Referência: Veja assets/deploy-workflow.yml

Padrão 3: Deploy em Kubernetes

name: Deploy to Kubernetes

on:
  push:
    branches: [ main ]

jobs:
  deploy:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v4

    - name: Configure AWS credentials
      uses: aws-actions/configure-aws-credentials@v4
      with:
        aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
        aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
        aws-region: us-west-2

    - name: Update kubeconfig
      run: |
        aws eks update-kubeconfig --name production-cluster --region us-west-2

    - name: Deploy to Kubernetes
      run: |
        kubectl apply -f k8s/
        kubectl rollout status deployment/my-app -n production
        kubectl get services -n production

    - name: Verify deployment
      run: |
        kubectl get pods -n production
        kubectl describe deployment my-app -n production

Padrão 4: Matrix Build

name: Matrix Build

on: [push, pull_request]

jobs:
  build:
    runs-on: ${{ matrix.os }}

    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        python-version: ['3.9', '3.10', '3.11', '3.12']

    steps:
    - uses: actions/checkout@v4

    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: ${{ matrix.python-version }}

    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install -r requirements.txt

    - name: Run tests
      run: pytest

Referência: Veja assets/matrix-build.yml

Melhores Práticas de Workflow

1. Use versões específicas de actions (@v4, nunca @latest)
2. Faça cache de dependências para acelerar builds
3. Use secrets para dados sensíveis
4. Implemente verificações de status em PRs
5. Use matrix builds para testes multi-versão
6. Defina permissões apropriadas
7. Use workflows reutilizáveis para padrões comuns
8. Implemente approval gates para produção
9. Adicione etapas de notificação para falhas
10. Use runners auto-hospedados para cargas de trabalho sensíveis

Workflows Reutilizáveis

# .github/workflows/reusable-test.yml
name: Reusable Test Workflow

on:
  workflow_call:
    inputs:
      node-version:
        required: true
        type: string
    secrets:
      NPM_TOKEN:
        required: true

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - uses: actions/setup-node@v4
      with:
        node-version: ${{ inputs.node-version }}
    - run: npm ci
    - run: npm test

Use o workflow reutilizável:

jobs:
  call-test:
    uses: ./.github/workflows/reusable-test.yml
    with:
      node-version: '20.x'
    secrets:
      NPM_TOKEN: ${{ secrets.NPM_TOKEN }}

Scanning de Segurança

name: Security Scan

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

jobs:
  security:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v4

    - name: Run Trivy vulnerability scanner
      uses: aquasecurity/trivy-action@master
      with:
        scan-type: 'fs'
        scan-ref: '.'
        format: 'sarif'
        output: 'trivy-results.sarif'

    - name: Upload Trivy results to GitHub Security
      uses: github/codeql-action/upload-sarif@v2
      with:
        sarif_file: 'trivy-results.sarif'

    - name: Run Snyk Security Scan
      uses: snyk/actions/node@master
      env:
        SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}

Deployment com Aprovações

name: Deploy to Production

on:
  push:
    tags: [ 'v*' ]

jobs:
  deploy:
    runs-on: ubuntu-latest
    environment:
      name: production
      url: https://app.example.com

    steps:
    - uses: actions/checkout@v4

    - name: Deploy application
      run: |
        echo "Deploying to production..."
        # Deployment commands here

    - name: Notify Slack
      if: success()
      uses: slackapi/slack-github-action@v1
      with:
        webhook-url: ${{ secrets.SLACK_WEBHOOK }}
        payload: |
          {
            "text": "Deployment to production completed successfully!"
          }

Arquivos de Referência

• assets/test-workflow.yml - Modelo de workflow de testes
• assets/deploy-workflow.yml - Modelo de workflow de deployment
• assets/matrix-build.yml - Modelo de matrix build
• references/common-workflows.md - Padrões de workflows comuns

Skills Relacionadas

• gitlab-ci-patterns - Para workflows GitLab CI
• deployment-pipeline-design - Para arquitetura de pipeline
• secrets-management - Para gerenciamento de secrets