server {
    listen       80;
    server_name  localhost _;  # 添加通配符，接受任何域名
    
    # 添加 gzip 压缩
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
    
    # 设置客户端最大body大小
    client_max_body_size 20M;

    root   /usr/share/nginx/html;
    index  index.html;

    # 支持 history 路由模式
    location / {
        try_files $uri $uri/ /index.html;
        add_header Cache-Control "no-cache, no-store, must-revalidate";
        # 添加跨域支持
        add_header 'Access-Control-Allow-Origin' '*';
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
        add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization';
    }

    # 缓存静态资源
    location /assets {
        expires 1y;
        add_header Cache-Control "public, no-transform";
        access_log off;
    }

    # 禁止访问 . 文件
    location ~ /\. {
        deny all;
        access_log off;
        log_not_found off;
    }

    # 错误页面配置
    error_page 404 /index.html;
    error_page 500 502 503 504 /50x.html;
    location = /50x.html {
        root /usr/share/nginx/html;
    }
}