server {
    listen 8080;
    server_name localhost;
    root /usr/share/nginx/html;
    index index.html;

    # 启用 gzip 压缩
    gzip on;
    gzip_vary on;
    gzip_min_length 1024;
    gzip_proxied any;
    gzip_types
        text/plain
        text/css
        text/xml
        text/javascript
        application/javascript
        application/xml+rss
        application/json;

    # 处理静态资源
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
        try_files $uri =404;
    }

    # SPA 路由支持 - 关键配置
    location / {
        try_files $uri $uri/ @fallback;
    }

    # 回退到 index.html，这是 SPA 路由的核心
    location @fallback {
        rewrite ^.*$ /index.html last;
    }

    # 安全头部
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;

    # 错误页面
    error_page 404 /index.html;
}