server {
    listen       80;
    server_name  localhost;

    # 静态文件根目录
    root   /usr/share/nginx/html;
    index  index.html index.htm;

    # 禁用所有缓存
    add_header Cache-Control "no-cache, no-store, must-revalidate";
    add_header Pragma "no-cache";
    add_header Expires 0;

    # SPA 路由支持
    location / {
        try_files $uri $uri/ /index.html;
    }

    # API 请求代理（如果需要）
    location /api/ {
        proxy_pass http://om-auth:2515/api/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
    }

    # 静态资源缓存设置
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg)$ {
        add_header Cache-Control "no-cache, no-store, must-revalidate";
        add_header Pragma "no-cache";
        add_header Expires 0;
    }

    # HTML 文件不缓存
    location ~* \.html$ {
        add_header Cache-Control "no-cache, no-store, must-revalidate";
        add_header Pragma "no-cache";
        add_header Expires 0;
    }

    # 错误页面
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }
}