name: Push linux docker multi-arch image to registry

inputs:
  docker-image-name:
    required: true
    description: "The repository name of the docker image to build."
  docker-username:
    required: true
    description: "Username for logging in to the docker registry."
  docker-password:
    required: true
    description: "Password for logging in to the docker registry."
  docker-bake-meta-file-path:
    required: true
    description: "The file path to the docker bake meta file."
  docker-bake-meta-artifact-name:
    required: true
    description: "The name of the artifact that contains the docker bake meta file."
  docker-bake-digests-file-path:
    required: true
    description: "The file path to save the docker bake digests file. The file will be created with the name of the digest under this path."
  docker-bake-digests-artifact-name-prefix:
    required: true
    description: "The prefix for the docker bake digests artifact name."
  docker-image-tags:
    required: true
    description: "The tags for the docker image to push."

runs:
  using: "composite"
  steps:
    - name: Download docker bake meta artifact
      uses: actions/download-artifact@v8
      with:
        name: ${{ inputs.docker-bake-meta-artifact-name }}
        path: ${{ runner.temp }}

    - name: Download digests artifact
      uses: actions/download-artifact@v8
      with:
        pattern: ${{ inputs.docker-bake-digests-artifact-name-prefix }}-*
        merge-multiple: true
        path: ${{ inputs.docker-bake-digests-file-path }}

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v4

    - name: Login to DockerHub
      uses: docker/login-action@v4
      with:
        username: ${{ inputs.docker-username }}
        password: ${{ inputs.docker-password }}

    - name: Create manifest and push
      shell: bash
      working-directory: ${{ inputs.docker-bake-digests-file-path }}
      run: |
        docker buildx imagetools create $(echo "${{ inputs.docker-image-tags }}" | xargs -I {} echo -n " -t {}") $(printf '${{ inputs.docker-image-name }}@sha256:%s ' *)