name: Docker Publish

on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:  # 允许手动触发测试

env:
  REGISTRY: ghcr.io

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # 拉完整历史,git describe 能取到 tag

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      - name: Login to GHCR
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract version from git
        id: version
        run: |
          echo "version=$(git describe --tags --always --dirty)" >> "$GITHUB_OUTPUT"
          echo "commit=$(git rev-parse --short HEAD)" >> "$GITHUB_OUTPUT"

      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ github.repository }}
          tags: |
            type=semver,pattern={{version}}
            type=sha,format=short
          labels: |
            org.opencontainers.image.version=${{ steps.version.outputs.version }}
            org.opencontainers.image.revision=${{ steps.version.outputs.commit }}

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            VERSION=${{ steps.version.outputs.version }}
            COMMIT=${{ steps.version.outputs.commit }}