action.yml

---
name: BEAM Docker Release
description: Publish BEAM release as a Docker image
branding:
  icon: 'download-cloud'
  color: 'gray-dark'
inputs:
  registry:
    description: Container Registry
    required: true
  username:
    description: Registry Username
    required: true
  password:
    description: Registry Password
    required: true
  build-image:
    description: Build image
    default: erlang:25.1.1.0
  build-command:
    description: Build command
    default: make
  build-platforms:
    description: Build platforms
    default: linux/amd64,linux/arm64
  build-tags:
    description: Build tags
  build-push:
    description: Build push image
    default: true
  image-description:
    description: A text-only description limited to 512 characters.
  image-licenses:
    description: A SPDX license identifier limited to 256 characters.
  image-source:
    description: The URL of the repository associated with the package.
    default: ${{github.repositoryUrl}}
outputs:
  imageid:
    description: "Image ID"
    value: ${{steps.bpa.outputs.imageid}}
  digest:
    description: "Image digest"
    value: ${{steps.bpa.outputs.digest}}
  metadata:
    description: "Build result metadata"
    value: ${{steps.bpa.outputs.metadata}}
  tags:
    description: "Docker Image Tags"
    value: ${{steps.dit.outputs.image_tags}}
  image:
    description: "Docker Image"
    value: ${{steps.dit.outputs.image}}
runs:
  using: composite
  steps:
    - name: Log in to the Container registry
      uses: docker/login-action@v3
      with:
        registry: ${{ inputs.registry }}
        username: ${{ inputs.username }}
        password: ${{ inputs.password }}
    - name: checkout
      uses: actions/checkout@v4
    - name: Set up QEMU
      uses: docker/setup-qemu-action@v3
    - name: set up Docker Buildx
      uses: docker/setup-buildx-action@v3
      with:
          buildkitd-flags: --debug
    - name: Copy BEAM Release Action Dockerfile
      run: cp -r $GITHUB_ACTION_PATH/Dockerfile .
      shell: bash
    - name: Copy BEAM Release Action Scripts
      run: cp -r $GITHUB_ACTION_PATH/bin beam-docker-release-action
      shell: bash
    - name: Set DOCKER_IMAGE_TAGS (nonempty inputs.build-tags)
      run: |
        echo "DOCKER_IMAGE_TAGS=${{inputs.build-tags}}" >> $GITHUB_ENV
      if: inputs.build-tags != ''
      shell: bash
    - name: Set DOCKER_IMAGE_TAGS (empty inputs.build-tags with main)
      run:
        "echo \"DOCKER_IMAGE_TAGS=\
        ${{inputs.registry}}/${{github.repository}}:latest\"
        >> $GITHUB_ENV"
      if: inputs.build-tags == '' && github.ref_name == 'main'
      shell: bash
    - name: Set DOCKER_IMAGE_TAGS (empty inputs.build-tags)
      run:
        "echo \"DOCKER_IMAGE_TAGS=\
        ${{inputs.registry}}/${{github.repository}}:${{github.ref_name}}\"
        >> $GITHUB_ENV"
      if: inputs.build-tags == '' && github.ref_name != 'main'
      shell: bash
    - name: use DOCKER_IMAGE_TAGS
      id: dit
      run: |
        echo "image_tags=${DOCKER_IMAGE_TAGS#*:}" >> $GITHUB_OUTPUT
        echo "image=${DOCKER_IMAGE_TAGS%:*}" >> $GITHUB_OUTPUT
      shell: bash
    - name: Build and push
      id: bpa
      uses: docker/build-push-action@v5
      with:
        context: .
        platforms: ${{inputs.build-platforms}}
        build-args: |
          BUILD_COMMAND=${{inputs.build-command}}
          BUILD_IMAGE=${{inputs.build-image}}
          GITHUB_REPOSITORY=${{github.repository}}
          IMAGE_DESCRIPTION=${{inputs.image-description}}
          IMAGE_LICENSES=${{inputs.image-licenses}}
          IMAGE_SOURCE=${{inputs.image-source}}
        push: ${{inputs.build-push}}
        tags: ${{env.DOCKER_IMAGE_TAGS}}