name: Docker Image

on:
  push:
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository_owner }}/secretzero

jobs:
  image-deployment:
    name: Publish Docker Image - ${{ github.ref_name }}
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      id-token: write
      attestations: write
      
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          persist-credentials: false

      - name: Set version
        id: version
        run: |
          if [[ "${{ github.ref_type }}" == "tag" ]]; then
            VERSION=${GITHUB_REF#refs/tags/}
          else
            VERSION=dev-$(git rev-parse --short HEAD)
          fi
          echo "VERSION=$VERSION" >> $GITHUB_ENV
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "Version: $VERSION"

      - 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=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        id: build
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name != 'pull_request' && github.ref_type == 'tag' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          build-args: DEPLOY_VERSION=${{ steps.version.outputs.version }}


      - name: Generate artifact attestation
        if: github.event_name != 'pull_request' && github.ref_type == 'tag'
        uses: actions/attest-build-provenance@v2
        with:
          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          subject-digest: ${{ steps.build.outputs.digest }}
          push-to-registry: true

      - name: Logout from Docker Registry
        run: docker logout ${{ env.REGISTRY }}