base-image.yml

name: Base image build
on:
  push:
    tags:
      - 'v*'
    branches:
      - main

  pull_request:

jobs:
  build_and_push:
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
    strategy:
      matrix:
        image:
          - { dir: base, name: lnls-debian-11-epics-7 }
          - { dir: base/musl, name: lnls-alpine-3.18-epics-7 }
    env:
      TAG: ${{ github.event_name == 'push' && github.ref_name || github.head_ref }}
      REGISTRY: ghcr.io/${{ github.repository_owner }}
      IMAGE: ${{ matrix.image.name }}
      SOURCE: https://github.com/${{ github.repository }}
    steps:
      - uses: actions/checkout@v4
      - uses: docker/setup-buildx-action@v3
      - name: Log in to registry
        if: github.event_name == 'push' && vars.PUSH_TO_REGISTRY == 'true'
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Build and push tagged image
        uses: docker/bake-action@v4
        with:
          workdir: ${{ matrix.image.dir }}
          files: docker-compose.yml
          set: |
            *.cache-from=type=gha,scope=${{ matrix.image.name }}
            *.cache-to=type=gha,mode=max,scope=${{ matrix.image.name }}
          push: ${{ github.event_name == 'push' && vars.PUSH_TO_REGISTRY == 'true' && github.ref_type == 'tag' }}