build.yml

name: Build and push images

on:
  push:
    branches:
      - master

jobs:
  build:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        version:
          - "8.7"
          - "9.5"
          - "10.4"
          - "11.5"
          - "12.4"
    
    steps:
      - uses: actions/checkout@v2
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1

      - name: Log in to Docker hub
        run: |
          docker login -u ${{ secrets.DOCKERHUB_USER }} -p ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push image
        run: |
          VERSION="${{ matrix.version }}"
          MAJOR="${VERSION%.*}"

          cd $VERSION
          docker buildx build -t ${{ secrets.DOCKERHUB_USER }}/typo3:$VERSION --platform linux/arm/v7,linux/arm64/v8,linux/amd64 --push .
          docker buildx imagetools create ${{ secrets.DOCKERHUB_USER }}/typo3:$VERSION --tag ${{ secrets.DOCKERHUB_USER }}/typo3:$MAJOR

          if [[ ${MAJOR} -eq 12 ]] ; then
            docker buildx imagetools create ${{ secrets.DOCKERHUB_USER }}/typo3:$VERSION --tag ${{ secrets.DOCKERHUB_USER }}/typo3:latest
          fi