zammad/.github/workflows/docker-release.yaml

name: docker-release

on:
  push:
    branches:
      - stable
      - develop
    tags:
      - '*'

jobs:
  docker-build-push:
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout Code
        uses: actions/checkout@v3
        with:
            fetch-depth: 0

      # # only needed for arm64 builds
      # - name: Set up QEMU
      #   uses: docker/setup-qemu-action@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to docker.io container registry
        uses: docker/login-action@v2 
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Get version tag in the old way
        run: echo ZAMMAD_VERSION="$(git describe --tags | sed -e 's/-[a-z0-9]\{8,\}.*//g')" >> $GITHUB_ENV

      - name: Docker metadata action
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: |
            index.docker.io/zammad/zammad-docker-compose
          tags: |
            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'stable') }}
            type=raw,value=${{ env.ZAMMAD_VERSION }},enable=${{ github.ref == format('refs/heads/{0}', 'stable') }}
            type=raw,value=zammad-${{ env.ZAMMAD_VERSION }},enable=${{ github.ref == format('refs/heads/{0}', 'stable') }}
            type=ref,event=branch
            type=ref,event=tag
            type=semver,pattern={{major}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{version}}
            type=sha

      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v3
        with:
          context: .
          labels: ${{ steps.meta.outputs.labels }}
          # arm64 build takes up to 4 hours
          platforms: linux/amd64 #,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}

      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}