deploy-ghcr.yml

name: Build and publish to GHCR

on:
  push:
    branches:
      - dev
permissions:
  contents: read
  packages: write
  id-token: write

jobs:
  github-ghcr-push:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

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

      # 把仓库 owner 强制转小写，保存为 step 输出
      - name: Set lowercase owner
        id: owner
        run: |
          echo "owner=$(echo '${{ github.repository_owner }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT

      - name: Login to GHCR
        if: ${{ github.event_name == 'push' }}
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{secrets.GITHUB_TOKEN }}

      - name: Build and Push to GHCR
        uses: docker/build-push-action@v5
        with:
          context: .
          file: Dockerfile
          push: ${{ github.event_name == 'push' }}
          tags: ghcr.io/${{ steps.owner.outputs.owner }}/${{ github.event.repository.name }}:dev