docker.build-push.yml

name: Action - Docker build & push
on:
  workflow_call:
env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}
permissions:
  contents: read
  packages: write
jobs:
  docker:
    name: 'Build & Push'
    runs-on: ubuntu-latest
    steps:
      - name: 'Checkout source code'
        uses: actions/checkout@v7.0.1
        with:
          fetch-depth: 0
      - name: 'Set up Docker Buildx'
        uses: docker/setup-buildx-action@v4.2.0
      - name: 'Generate build number'
        run: |
          BUILD_NUMBER=$(git rev-list --all --count)
          echo "BUILD_NUMBER=$BUILD_NUMBER" >> $GITHUB_ENV
          echo "This build is tagged as $BUILD_NUMBER on $GITHUB_REF"
      - name: 'Log in to the Container registry'
        uses: docker/login-action@v4.6.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: 'Extract metadata (tags, labels) for Docker'
        id: metadata
        uses: docker/metadata-action@v6.2.0
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
      - name: 'Build and Push'
        uses: docker/build-push-action@v7.3.0
        with:
          context: .
          push: true
          tags: ${{ steps.metadata.outputs.tags }}
          labels: ${{ steps.metadata.outputs.labels }}