docker.yml

name: Docker Build & Push

on:
  push:
    branches:
      - main
      - develop
    tags:
      - 'v*.*.*'
  pull_request:
    branches:
      - main
  workflow_dispatch:

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

jobs:
  docker-lint:
    name: Lint Dockerfile
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Run hadolint
        uses: hadolint/hadolint-action@v3.1.0
        with:
          dockerfile: Dockerfile
          failure-threshold: warning

  build-and-test:
    name: Build & Test Docker Image
    runs-on: ubuntu-latest
    needs: docker-lint
    permissions:
      contents: read
      packages: write

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

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - 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}}-
            type=raw,value=latest,enable={{is_default_branch}}
            type=raw,value=develop,enable=${{ github.ref == 'refs/heads/develop' }}

      - name: Build Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: false
          load: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          build-args: |
            BUILD_DATE=${{ 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'] }}

      - name: Test Docker image
        run: |
          # Get the first tag from the list
          IMAGE_TAG=$(echo "${{ steps.meta.outputs.tags }}" | head -n 1)
          echo "Testing image: $IMAGE_TAG"

          # Test if image exists
          docker images | grep "${{ env.IMAGE_NAME }}"

          # Run container and check if it starts
          CONTAINER_ID=$(docker run -d -p 8000:8000 "$IMAGE_TAG")
          echo "Container ID: $CONTAINER_ID"

          # Wait for container to start
          sleep 5

          # Check if container is running
          docker ps | grep "$CONTAINER_ID"

          # Check logs
          docker logs "$CONTAINER_ID"

          # Test health endpoint (if available)
          # curl -f http://localhost:8000/health || true

          # Stop and remove container
          docker stop "$CONTAINER_ID"
          docker rm "$CONTAINER_ID"

      - name: Scan image for vulnerabilities
        uses: aquasecurity/trivy-action@master
        with:
          image-ref: ${{ steps.meta.outputs.tags }}
          format: 'sarif'
          output: 'trivy-results.sarif'
          severity: 'CRITICAL,HIGH'

      - name: Upload Trivy results to GitHub Security
        uses: github/codeql-action/upload-sarif@v3
        if: always()
        with:
          sarif_file: 'trivy-results.sarif'

  push:
    name: Push Docker Image
    runs-on: ubuntu-latest
    needs: build-and-test
    if: github.event_name != 'pull_request'
    permissions:
      contents: read
      packages: write

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

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      - 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}}
            type=semver,pattern={{major}}
            type=sha,prefix={{branch}}-
            type=raw,value=latest,enable={{is_default_branch}}
            type=raw,value=develop,enable=${{ github.ref == 'refs/heads/develop' }}

      - name: Build and push Docker image
        id: build-and-push
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          build-args: |
            BUILD_DATE=${{ 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'] }}

      - name: Generate artifact attestation
        uses: actions/attest-build-provenance@v1
        with:
          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          subject-digest: ${{ steps.build-and-push.outputs.digest }}
          push-to-registry: true

  summary:
    name: Docker Build Summary
    runs-on: ubuntu-latest
    needs: [docker-lint, build-and-test, push]
    if: always()

    steps:
      - name: Generate summary
        run: |
          echo "## 🐳 Docker Build Summary" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "| Job | Status |" >> $GITHUB_STEP_SUMMARY
          echo "|-----|--------|" >> $GITHUB_STEP_SUMMARY
          echo "| Lint | ${{ needs.docker-lint.result == 'success' && '✅' || '❌' }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Build & Test | ${{ needs.build-and-test.result == 'success' && '✅' || '❌' }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Push | ${{ needs.push.result == 'success' && '✅' || needs.push.result == 'skipped' && '⏭️' || '❌' }} |" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY

          if [ "${{ needs.push.result }}" = "success" ]; then
            echo "### 📦 Published Images" >> $GITHUB_STEP_SUMMARY
            echo "" >> $GITHUB_STEP_SUMMARY
            echo "Docker images have been pushed to GitHub Container Registry:" >> $GITHUB_STEP_SUMMARY
            echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
            echo "docker pull ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest" >> $GITHUB_STEP_SUMMARY
            echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
          fi