docker.yml

name: Build and Push Multi-Arch Image (GHCR)

on:
  push:
    branches: [ "main" ]
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest

    permissions:
      contents: read
      packages: write

    steps:
      # 1. 拉代码
      - name: Checkout
        uses: actions/checkout@v4

      # 2. 启用 QEMU（支持 ARM 模拟）
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      # 3. 启用 Buildx（多架构构建核心）
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      # 4. 登录 GHCR（无需 secrets，自动用 GITHUB_TOKEN）
      - name: Login to GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # 5. 生成镜像标签
      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ghcr.io/${{ github.repository_owner }}/nowen-reader
          tags: |
            type=raw,value=latest
            type=sha

      # 6. 构建并推送（ARM + amd64）
      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          platforms: linux/amd64,linux/arm64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max