name: Publish Docker image

on:
  push:
    branches:
      - main
      - master
    tags:
      - "v*"
  workflow_dispatch:

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

    steps:
      # 1️⃣ 检出代码
      - name: Checkout repository
        uses: actions/checkout@v4

      # 2️⃣ 设置 Node 环境（可选：若需打包前构建）
      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 18

      # 3️⃣ 安装依赖与构建（如果你的 app 直接运行 app.js，可略）
      - name: Install dependencies
        run: npm ci

      - name: Build (optional)
        run: |
          echo "Build step skipped — app.js already entry point."

      # 4️⃣ 登录 Docker Hub
      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      # 5️⃣ 构建并推送镜像
      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: |
            moefurina/ncm-api:latest
            moefurina/ncm-api:${{ github.sha }}
          platforms: linux/amd64,linux/arm64

      # 6️⃣ （可选）输出镜像摘要
      - name: Image digest
        run: echo "Pushed image digest ${{ steps.docker_build.outputs.digest }}"