name: Build & Push Electron-Builder Linux Images

on:
  push:
    branches: [ "main" ]
    tags:
      - "v*"
  workflow_dispatch: {}

env:
  IMAGE_NAME: mrunknownde/electron-builder-linux

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          - dockerfile: Dockerfile.node22-linux
            short_tag: node22
            latest: "true"
          - dockerfile: Dockerfile.node20-linux
            short_tag: node20
            latest: "false"
          - dockerfile: Dockerfile.node18-linux
            short_tag: node18
            latest: "false"

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=${{ matrix.short_tag }}
            type=sha,format=long,prefix=${{ matrix.short_tag }}-
          labels: |
            org.opencontainers.image.title=electron-builder-linux
            org.opencontainers.image.source=${{ github.repositoryUrl }}

      - name: Build and push (multi-arch)
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./${{ matrix.dockerfile }}
          # Linux-Build-Container kann gut multi-arch sein
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Also push :latest (only for Node 20)
        if: ${{ matrix.latest == 'true' }}
        run: |
          docker buildx imagetools create \
            --tag ${{ env.IMAGE_NAME }}:latest \
            ${{ env.IMAGE_NAME }}:${{ matrix.short_tag }}