publish-ghcr-container.yaml

name: Publish multiarch images on ghcr.io
on:
  push:
    tags:
      - '*'

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  publish:
    name: Build and push Spilo multiarch images
    runs-on: ubuntu-latest
    permissions:
      contents: 'read'
      packages: 'write'
    defaults:
      run:
        shell: bash
    steps:
    - name: Checkout
      uses: actions/checkout@v3

    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: 3.7

    - name: Install flake8 and docker-compose
      run: python -m pip install flake8 docker-compose==1.17.1

    - name: Derive spilo image name
      id: image
      working-directory: postgres-appliance
      run: |
        PGVERSION=$(sed -n 's/^ARG PGVERSION=\([1-9][0-9]*\).*$/\1/p' Dockerfile)
        IMAGE="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-$PGVERSION:${GITHUB_REF/refs\/tags\//}"
        echo "NAME=$IMAGE" >> $GITHUB_OUTPUT

    - name: Set up QEMU
      uses: docker/setup-qemu-action@v2

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

    - name: Login to GHCR
      uses: docker/login-action@v2
      with:
        registry: ${{ env.REGISTRY }}
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Build and export to local docker for testing
      uses: docker/build-push-action@v3
      with:
        context: "postgres-appliance/"
        load: true
        tags: ${{ steps.image.outputs.NAME }}

    - name: Test spilo docker image 
      env:
        SPILO_TEST_IMAGE: "${{ steps.image.outputs.NAME }}"
      run: |
        bash postgres-appliance/tests/test_spilo.sh 

    - name: Build arm64 additionaly and push multiarch image to ghcr
      uses: docker/build-push-action@v3
      with:
        context: "postgres-appliance/"
        push: true
        tags: "${{ steps.image.outputs.NAME }}"
        platforms: linux/amd64,linux/arm64