博客热部署指南：Push 代码自动更新到服务器

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name: Deploy to Server
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on:                          # 触发条件
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  push:
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    branches: [master]        # 推送到 master 分支时触发
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  workflow_dispatch:          # 允许在网页上手动触发
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concurrency:
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  group: "deploy"
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  cancel-in-progress: false
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jobs:
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  build-and-deploy:
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    runs-on: ubuntu-latest    # GitHub 提供的一台临时云服务器
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    steps:
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      # ① 拉代码
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      - name: Checkout
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        uses: actions/checkout@v4
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      # ② 装 Node.js 22
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      - name: Setup Node.js
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        uses: actions/setup-node@v4
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        with:
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          node-version: "22"
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      # ③ 装 pnpm 9.14.4
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      - name: Setup pnpm
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        uses: pnpm/action-setup@v4
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        with:
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          version: 9.14.4
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          run_install: false
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      # ④ 装项目依赖
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      - name: Install dependencies
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        run: pnpm install --no-frozen-lockfile
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      # ⑤ 构建 → 生成 dist/ 目录
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      - name: Build site
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        run: pnpm run build
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      # ⑥ 把 dist/ 推送到你的服务器 /var/www/html/
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      - name: Deploy to server
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        uses: easingthemes/ssh-deploy@v5.1.2
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        with:
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          SSH_PRIVATE_KEY: ${{ secrets.SERVER_SSH_KEY }}   # 你的私钥
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          ARGS: "-avz --delete"                             # rsync 参数：归档+压缩+删除旧文件
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          SOURCE: "dist/"                                   # 要上传的本地目录
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          REMOTE_HOST: ${{ secrets.SERVER_HOST }}           # 你的服务器 IP
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          REMOTE_USER: ${{ secrets.SERVER_USER }}           # 登录用户
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          TARGET: "/var/www/html"                           # 服务器上的目标目录

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server {
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    listen 443 ssl http2;
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    server_name www.ynnn-7.com;
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    ssl_certificate     /etc/nginx/ssl/fullchain.pem;
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    ssl_certificate_key /etc/nginx/ssl/privkey.pem;
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    root /var/www/html;
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    index index.html;
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    # 不带 www 跳转到带 www
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    server {
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        listen 443 ssl;
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        server_name ynnn-7.com;
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        return 301 https://www.ynnn-7.com$request_uri;
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    }
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    location / {
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        try_files $uri $uri.html $uri/ /404.html;
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    }
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    # Astro 静态资源长期缓存
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    location /_astro/ {
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        expires 1y;
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        add_header Cache-Control "public, immutable";
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    }
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    gzip on;
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    gzip_types text/plain text/css application/json application/javascript
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               text/xml application/xml text/javascript image/svg+xml;
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}