name: Container images CD

on:
  push:
    paths:
      - 'ci_images/**'
  release:
    types: [published]

env:
  IMAGE_PREFIX: ghcr.io/kiwix/kiwix-build_ci_

jobs:
  Container:
    strategy:
      fail-fast: false
      matrix:
        variant: [bionic, f35, focal, alpine]
    runs-on: ubuntu-22.04

    steps:
    - name: Retrieve the code
      uses: actions/checkout@v3

    - name: Setup container image name
      id: env
      run: |
        echo "IMAGE_NAME=${{ env.IMAGE_PREFIX }}${{ matrix.variant }}" >> $GITHUB_OUTPUT

    - name: Build container image
      run: |
        docker build -t ${{ steps.env.outputs.IMAGE_NAME }}:dev - < ci_images/${{ matrix.variant }}_builder.dockerfile

    - name: Tag release container image
      if: github.event.action == 'published'
      run: |
        docker tag ${{ steps.env.outputs.IMAGE_NAME }} $GITHUB_REF_NAME
        docker tag ${{ steps.env.outputs.IMAGE_NAME }} latest

    - name: Upload container image
      run: |
        echo "${{ secrets.GHCR_TOKEN }}" | docker login ghcr.io -u "${{ secrets.GHCR_USERNAME }}" --password-stdin
        docker push --all-tags ${{ steps.env.outputs.IMAGE_NAME }}