# 与 deploy/admin/default.conf 保持一致（Compose 挂载该文件；镜像内也用此配置）
# 外层 Nginx 已把 /admin/ 转成 / 转发到本容器，此处 location / 提供 SPA
server {
  listen 80;
  root /usr/share/nginx/html;
  index index.html;

  # 发版后勿长期缓存入口，否则浏览器保留旧 index.html、却拉新 chunk 名 → 白屏
  location = /index.html {
    add_header Cache-Control "no-cache, no-store, must-revalidate";
    expires -1;
  }

  location ^~ /assets/ {
    try_files $uri =404;
    access_log off;
    expires 7d;
    add_header Cache-Control "public, immutable";
  }

  location / {
    try_files $uri $uri/ /index.html;
  }
}