python-docker.yml

name: Python Docker Build & Deploy

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

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

permissions:
  contents: read
  packages: write

jobs:
  build:
    runs-on: ubuntu-latest
    timeout-minutes: 20

    steps:
    - name: Checkout code
      uses: actions/checkout@v4

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v3

    - name: Log in to Container Registry
      if: github.event_name != 'pull_request'
      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}}
          type=semver,pattern={{major}}
          type=sha,prefix={{branch}}-

    - name: Build and push Docker image
      uses: docker/build-push-action@v5
      with:
        context: .
        platforms: linux/amd64,linux/arm64
        push: ${{ github.event_name != 'pull_request' }}
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}
        cache-from: type=gha
        cache-to: type=gha,mode=max
        build-args: |
          BUILDTIME=${{ fromJSON(steps.meta.outputs.json).labels['org.opencontainers.image.created'] }}
          VERSION=${{ fromJSON(steps.meta.outputs.json).labels['org.opencontainers.image.version'] }}
          REVISION=${{ fromJSON(steps.meta.outputs.json).labels['org.opencontainers.image.revision'] }}

  security-scan:
    needs: build
    if: github.event_name != 'pull_request'
    runs-on: ubuntu-latest
    timeout-minutes: 15

    steps:
    - name: Run Trivy vulnerability scanner
      uses: aquasecurity/trivy-action@v0.35.0
      with:
        image-ref: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.sha }}
        format: 'sarif'
        output: 'trivy-results.sarif'

    - name: Upload Trivy scan results to GitHub Security tab
      uses: github/codeql-action/upload-sarif@v4
      if: always()
      with:
        sarif_file: 'trivy-results.sarif'

  deploy-staging:
    needs: [build, security-scan]
    if: github.ref == 'refs/heads/main' && github.event_name == 'push'
    runs-on: ubuntu-latest
    environment:
      name: staging
      url: https://staging.example.com
    timeout-minutes: 10

    steps:
    - name: Deploy to staging
      run: |
        echo "Deploying ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.sha }} to staging"
        # Add your deployment commands here

  deploy-production:
    needs: [build, security-scan]
    if: startsWith(github.ref, 'refs/tags/v')
    runs-on: ubuntu-latest
    environment:
      name: production
      url: https://production.example.com
    timeout-minutes: 10

    steps:
    - name: Deploy to production
      run: |
        echo "Deploying ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.ref_name }} to production"
        # Add your deployment commands here