build-images.yaml

name: build-images
on:
  push:

jobs:
  list:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - uses: actions/checkout@v3

      - id: set-matrix
        run: |
          echo "matrix=$(find images -type f -name 'Dockerfile.*' | awk -F'.' '{print $2}' | jq -R -s -c 'split("\n")[:-1]')" >> $GITHUB_OUTPUT

  push-ghcr:
    needs: list
    name: Build and push image
    runs-on: ubuntu-22.04
    permissions:
      contents: read
      packages: write
      id-token: write
    strategy:
      fail-fast: false
      matrix:
        chal: ${{ fromJson(needs.list.outputs.matrix) }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Generate variables
        id: vars
        run: |
          echo "date=$(date +%Y-%m-%d)" >> $GITHUB_OUTPUT

      - name: Login to ghcr
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ github.token }}

      - name: Build image
        run: |
          docker build \
            --tag ghcr.io/${{ github.repository_owner }}/tag-${{ matrix.chal }}:${{ steps.vars.outputs.date }} \
            --tag ghcr.io/${{ github.repository_owner }}/tag-${{ matrix.chal }}:latest \
            --file images/Dockerfile.${{ matrix.chal }} \
            images

      - name: Push to ghcr
        run: |
          docker push ghcr.io/${{ github.repository_owner }}/tag-${{ matrix.chal }}:${{ steps.vars.outputs.date }}
          docker push ghcr.io/${{ github.repository_owner }}/tag-${{ matrix.chal }}:latest