# https://docs.docker.com/build/ci/github-actions/multi-platform/
name: Build and push Docker DEV image

on:
  push:
    paths-ignore:
      - '.github/**'
      - 'charts/**'
      - 'docker-*.sh'
      - '*.md'
    branches: [master]

env:
  REGISTRY_IMAGE: ghcr.io/${{ github.repository_owner }}/${{ github.repository }}

jobs:
  build:
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: [self-hosted, x64]
            platform: linux/amd64
          - os: [self-hosted, arm64]
            platform: linux/arm64
          - os: [self-hosted, arm64]
            platform: linux/arm/v7
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY_IMAGE }}
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Build and push by digest
        id: build
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: ${{ matrix.platform }}
          labels: ${{ steps.meta.outputs.labels }}
          outputs: type=image,name=${{ env.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true,push=true
      - name: Export digest
        run: |
          mkdir -p /tmp/digests
          digest="${{ steps.build.outputs.digest }}"
          touch "/tmp/digests/${digest#sha256:}"
      - name: Upload digest
        uses: actions/upload-artifact@v3
        with:
          name: digests
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  merge:
    runs-on: [self-hosted]
    needs:
      - build
    steps:
      - name: Download digests
        uses: actions/download-artifact@v3
        with:
          name: digests
          path: /tmp/digests
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY_IMAGE }}
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Create manifest list and push
        working-directory: /tmp/digests
        run: |
          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
            $(printf '${{ env.REGISTRY_IMAGE }}@sha256:%s ' *)
      - name: Inspect image
        run: |
          docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.meta.outputs.version }}
  rerun-failed-jobs:
    runs-on: [self-hosted]
    needs: [ build, merge]
    if: failure()
    steps:
      - name: Rerun failed jobs in the current workflow
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: gh run rerun ${{ github.run_id }} --failed