server {
    listen 80;
    server_name _;
    
    root /usr/share/nginx/html;
    index index.html;
    
    # 启用 gzip
    gzip on;
    gzip_comp_level 6;
    gzip_min_length 1000;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
    gzip_vary on;
    
    # 支持 Vue Router 的 history 模式
    location / {
        try_files $uri $uri/ /index.html;
    }
    
    # 缓存静态资源
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg)$ {
        expires 30d;
        add_header Cache-Control "public, no-transform";
    }
}