.github/workflows/docker-testImage.yml

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name: Docker Test Image Update

# This job only tricker if requested in github.
on:
  workflow_dispatch:

jobs:
  build-test-image:
    runs-on: ubuntu-24.04
    strategy:
      matrix:
        include:
          - image-pattern: testing-latest
            docker-file: testsysds.Dockerfile

    steps:
    - name: Checkout
      uses: actions/checkout@v6

    # https://github.com/docker/metadata-action
    - name: Configure Docker metadata
      id: meta
      uses: docker/metadata-action@v6
      with:
        images: apache/systemds
        tags: |
          type=raw,value=${{ matrix.image-pattern }}

    # https://github.com/docker/setup-buildx-action
    - name: Set up Docker Buildx
      id: buildx
      uses: docker/setup-buildx-action@v4

    # https://github.com/docker/login-action  
    - name: Login to DockerHub
      if: github.event_name != 'pull_request'
      uses: docker/login-action@v4
      with:
          username: ${{ secrets.DOCKERHUB_USER }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

    # https://github.com/docker/build-push-action
    - name: Build and push
      id: docker_build
      uses: docker/build-push-action@v7
      with:
        context: .
        file: ./docker/${{ matrix.docker-file }}
        push: true
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}