name: Build & Push Docker image

on:
  push:
    branches:
      - main

# 写入/读取 package 权限，用于推送到 GHCR (ghcr.io)
permissions:
  contents: read
  packages: write

jobs:
  build-and-push:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout source code
        uses: actions/checkout@v4

      - name: Set up QEMU (多架构构建支持)
        uses: docker/setup-qemu-action@v2

      - 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:
          context: .
          file: ./Dockerfile
          push: true
          platforms: linux/amd64,linux/arm64
          tags: |
            ghcr.io/${{ github.repository_owner }}/moontv:latest
            ghcr.io/${{ github.repository_owner }}/moontv:${{ github.sha }}