github-actions-templates

SKILL.md 节选

# GitHub Actions Templates

Production-ready GitHub Actions workflow patterns for testing, building, and deploying applications.

## Purpose

Create efficient, secure GitHub Actions workflows for continuous integration and deployment across various tech stacks.

## When to Use

- Automate testing and deployment
- Build Docker images and push to registries
- Deploy to Kubernetes clusters
- Run security scans
- Implement matrix builds for multiple environments

## Common Workflow Patterns

### Pattern 1: Test Workflow

```yaml
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
```

**Reference:** See `assets/test-workflow.yml`

### Pattern 2: Build and Push Docker Image

```yaml
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
```

**Reference:** See `assets/deploy-workflow.yml`

### Pattern 3: Deploy to Kubernetes

```yaml
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
```

### Pattern 4: Matrix Build

```yaml
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
```

**Reference:** See `assets/matrix-build.yml`

## Workflow Best Practices

SKILL.md 不止这些内容，安装后可阅读全文。

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