cd_container_image.yml

name: Build and Publish Container Image

on:
  workflow_call:
    inputs:
      release:
        description: 'Whether or not this is a release.'
        default: false
        required: false
        type: boolean
      checkout_ref:
        description: 'The git ref to checkout and use as source.'
        default: master
        required: false
        type: string

jobs:
  publish_container_image:
    name: Publish Container image on GH Container Registry
    if: github.repository_owner == 'Materials-Consortia'
    runs-on: ubuntu-latest

    env:
      IMAGE_NAME: optimade

    steps:
    - name: Checkout repository
      uses: actions/checkout@v3
      with:
        fetch-depth: 0
        submodules: true
        ref: ${{ inputs.checkout_ref }}

    - name: Retrieve version
      run: |
        # Get current OPTIMADE version from optimade/__init__.py
        regex="^__version__ = (\"|')(.*)(\"|')$"
        while IFS="" read -r line || [ -n "${line}" ]; do
          if [[ "${line}" =~ $regex ]]; then
            VERSION="${BASH_REMATCH[2]}"
          fi
        done < optimade/__init__.py

        echo "VERSION=${VERSION}" >> $GITHUB_ENV
        echo VERSION=${VERSION}

    - name: Set source ref
      run: |
        if [[ "${{ inputs.release }}" == "true" ]]; then
          # Use tag for metadata instead of commit SHA
          SOURCE_REF=v${{ env.VERSION }}
        else
          SOURCE_REF=$(git rev-parse HEAD)
        fi

        echo "SOURCE_REF=${SOURCE_REF}" >> $GITHUB_ENV
        echo SOURCE_REF=${SOURCE_REF}

    - name: Build image
      run: |
        docker build \
          --file Dockerfile \
          --tag "${IMAGE_NAME}" \
          --label "gh_actions_runnumber=${GITHUB_RUN_ID}" \
          --label "org.openctonainers.image.title=OPTIMADE" \
          --label "org.opencontainers.image.description=A server implementation for serving an OPTIMADE API." \
          --label "org.opencontainers.image.source=https://github.com/${{ github.repository }}/tree/${{ env.SOURCE_REF }}" \
          --label "org.opencontainers.image.documentation=https://github.com/${{ github.repository }}/blob/${{ env.SOURCE_REF }}/README.md" \
          --label "org.opencontainers.image.licenses=MIT" \
          --label "org.opencontainers.image.url=https://github.com/${{ github.repository }}/pkgs/container/${IMAGE_NAME}" \
          --label "org.opencontainers.image.vendor=${{ github.repository_owner }}" \
          --label "org.opencontainers.image.version=${{ env.VERSION }}" \
          --label "org.opencontainers.image.base.name=docker.io/library/python:3.10-slim" \
          .

    - name: Create full image ID and tag with 'develop'
      run: |
        IMAGE_ID=ghcr.io/${{ github.repository_owner }}/${IMAGE_NAME}

        # Change all uppercase to lowercase
        IMAGE_ID=$(echo ${IMAGE_ID} | tr '[A-Z]' '[a-z]')

        echo "IMAGE_ID=${IMAGE_ID}" >> $GITHUB_ENV
        echo IMAGE_ID=${IMAGE_ID}

        # Tag with "develop"
        docker tag ${IMAGE_NAME} ${IMAGE_ID}:develop

    - name: Tag with version and `latest` - if it's a release
      if: inputs.release
      run: |
        docker tag ${IMAGE_NAME} ${{ env.IMAGE_ID }}:${{ env.VERSION }}
        docker tag ${IMAGE_NAME} ${{ env.IMAGE_ID }}:latest

    - name: Log in to registry
      run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin

    - name: Push image
      run: |
        docker image inspect ${IMAGE_NAME}
        docker push --all-tags ${{ env.IMAGE_ID }}