name: Build-Base-Image

on:
  workflow_dispatch:  # 手动触发
  schedule:
    - cron: '0 3 * * 0' # 每周日凌晨3点自动构建一次
  push:
    branches:
      - main
    paths:
      - 'docker/Dockerfile.base'
      - 'docker/Dockerfile.debian13.base'
      - 'docker/Dockerfile.debian13.minimal'

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: taskpool

jobs:
  build:
    if: github.event.repository.fork == false
    runs-on: ubuntu-latest
    strategy:
      matrix:
        base_type: [debian, debian13, minimal]
        platform:
          - linux/amd64
          - linux/arm64
        include:
          - base_type: debian
            platform: linux/amd64
            dockerfile: docker/Dockerfile.base
            tag_suffix: ""
          - base_type: debian
            platform: linux/arm64
            dockerfile: docker/Dockerfile.base
            tag_suffix: ""
#           - base_type: alpine
#             platform: linux/amd64
#             dockerfile: docker/Dockerfile.alpine.base
#             tag_suffix: "-alpine"
#           - base_type: alpine
#             platform: linux/arm64
#             dockerfile: docker/Dockerfile.alpine.base
#             tag_suffix: "-alpine"
          - base_type: debian13
            platform: linux/amd64
            dockerfile: docker/Dockerfile.debian13.base
            tag_suffix: "-debian13"
          - base_type: debian13
            platform: linux/arm64
            dockerfile: docker/Dockerfile.debian13.base
            tag_suffix: "-debian13"
          - base_type: minimal
            platform: linux/amd64
            dockerfile: docker/Dockerfile.debian13.minimal
            tag_suffix: "-minimal"
          - base_type: minimal
            platform: linux/arm64
            dockerfile: docker/Dockerfile.debian13.minimal
            tag_suffix: "-minimal"

    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Set platform pair
        id: platform
        run: |
          platform=${{ matrix.platform }}
          echo "pair=${platform//\//-}-${{ matrix.base_type }}" >> $GITHUB_OUTPUT

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Login to GHCR
        uses: docker/login-action@v4
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v6
        with:
          images: |
            ${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=base${{ matrix.tag_suffix }}

      - name: Build and push by digest
        id: build
        uses: docker/build-push-action@v7
        with:
          context: .
          file: ${{ matrix.dockerfile }}
          platforms: ${{ matrix.platform }}
          labels: ${{ steps.meta.outputs.labels }}
          outputs: type=image,name=${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
          cache-from: type=gha,scope=base-${{ steps.platform.outputs.pair }}
          cache-to: type=gha,scope=base-${{ steps.platform.outputs.pair }},mode=max
          provenance: false

      - 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@v7
        with:
          name: digests-${{ steps.platform.outputs.pair }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  merge:
    runs-on: ubuntu-latest
    needs: build
    strategy:
      matrix:
        base_type: [debian, debian13, minimal]
        include:
          - base_type: debian
            tag: base
#           - base_type: alpine
#             tag: base-alpine
          - base_type: debian13
            tag: base-debian13
          - base_type: minimal
            tag: base-minimal

    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Download digests
        uses: actions/download-artifact@v8
        with:
          path: /tmp/digests
          pattern: digests-*-${{ matrix.base_type }}
          merge-multiple: true

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Login to GHCR
        uses: docker/login-action@v4
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v6
        with:
          images: |
            ${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=${{ matrix.tag }}

      - 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 }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}@sha256:%s ' *)

      - name: Inspect image
        run: |
          docker buildx imagetools inspect ${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:${{ matrix.tag }}
