name: Docker

on:
  push:
    branches: [main]
    tags: ["v*"]
  pull_request:

jobs:
  container-scan:
    name: Container Scan
    runs-on: ubuntu-latest
    permissions:
      contents: read
      security-events: write

    steps:
      - uses: actions/checkout@v6

      - name: Build image
        run: docker build -t myapp:ci .

      - name: Run Trivy
        uses: aquasecurity/trivy-action@v0.35.0
        with:
          image-ref: myapp:ci
          format: sarif
          output: trivy-results.sarif
          severity: CRITICAL,HIGH
          exit-code: '1'

      - name: Upload Trivy results
        if: always()
        uses: github/codeql-action/upload-sarif@v4
        with:
          sarif_file: trivy-results.sarif

  docker:
    name: Build & Push
    runs-on: ubuntu-latest
    needs: container-scan
    permissions:
      contents: read
      packages: write
      attestations: write
      id-token: write

    steps:
      - uses: actions/checkout@v6

      - 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 GitHub Container Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Log in to Docker Hub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ghcr.io/${{ github.repository }}
            docker.io/${{ github.repository }}
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=ref,event=branch
            type=sha

      - name: Build and push
        id: build
        uses: docker/build-push-action@v6
        with:
          context: .
          provenance: mode=max
          sbom: true
          push: ${{ github.event_name != 'pull_request' }}
          platforms: linux/amd64,linux/arm64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}