deploy: 挂目录+替换文件部署，构建产物到 deploy/，不重建 web/admin 镜像

Made-with: Cursor

deploy/web/default.conf

@@ -0,0 +1,17 @@
+server {
+  listen 80;
+  root /usr/share/nginx/html;
+  index index.html;
+
+  # 根路径下的验证文件走热加载目录，替换文件即可生效
+  location ~ ^/([A-Za-z0-9._-]+\.(txt|html|xml))$ {
+    alias /verify-root/$1;
+  }
+
+  location = / {
+    try_files /index.html =404;
+  }
+  location / {
+    try_files $uri $uri/ /index.html;
+  }
+}