name: Release build

on:
  release:
    types:
    - published

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
    - name: Docker metadata
      id: metadata
      uses: docker/metadata-action@v5
      with:
        images: |
          ghcr.io/qingdaou/oj-judge
        tags: |
          type=semver,pattern={{version}}
          type=semver,pattern={{major}}.{{minor}}
          type=semver,pattern={{major}},enable=${{ !startsWith(github.ref, 'refs/tags/v0.') }}

    - 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.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Build and push
      uses: docker/build-push-action@v5
      with:
        push: true
        platforms: linux/amd64,linux/arm64
        tags: ${{ steps.metadata.outputs.tags }}
        annotations: ${{ steps.metadata.outputs.annotations }}