初始化：Astro 站点 + Sveltia CMS 后台 + 部署配置

deploy/nginx-shizhui.conf

@@ -0,0 +1,63 @@
+# Nginx 配置 —— shizhui.xyz 静态站点
+# 放到服务器 /etc/nginx/sites-available/shizhui 并软链到 sites-enabled
+# 证书由 certbot (DNS-01) 签发：/etc/letsencrypt/live/shizhui.xyz/
+
+# HTTP：保留 ACME 验证路径，其余跳转 HTTPS
+server {
+    listen 80;
+    listen [::]:80;
+    server_name shizhui.xyz www.shizhui.xyz;
+
+    # Let's Encrypt ACME 验证（webroot，备用）
+    location ^~ /.well-known/acme-challenge/ {
+        root /var/www/letsencrypt;
+        default_type "text/plain";
+        try_files $uri =404;
+    }
+
+    location / {
+        return 301 https://$host$request_uri;
+    }
+}
+
+# HTTPS 主站
+server {
+    listen 443 ssl;
+    listen [::]:443 ssl;
+    http2 on;
+    server_name shizhui.xyz www.shizhui.xyz;
+
+    ssl_certificate /etc/letsencrypt/live/shizhui.xyz/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/shizhui.xyz/privkey.pem;
+    ssl_protocols TLSv1.2 TLSv1.3;
+    ssl_prefer_server_ciphers off;
+    ssl_session_cache shared:SSL:10m;
+    ssl_session_timeout 1d;
+
+    root /var/www/shizhui;
+    index index.html;
+
+    # 安全响应头
+    add_header X-Content-Type-Options "nosniff" always;
+    add_header X-Frame-Options "SAMEORIGIN" always;
+    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
+    add_header Strict-Transport-Security "max-age=31536000" always;
+
+    # gzip 压缩
+    gzip on;
+    gzip_types text/css application/javascript application/json image/svg+xml application/xml;
+    gzip_min_length 1024;
+
+    # 静态资源缓存（带 hash 的构建产物可长缓存）
+    location /_astro/ {
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+    }
+
+    # Astro 构建生成的是目录式路由（/blog/ -> /blog/index.html）
+    location / {
+        try_files $uri $uri/ $uri.html =404;
+    }
+
+    error_page 404 /404.html;
+}