server {
    listen 80;
    server_name localhost;

    # 启用gzip压缩
    gzip on;
    gzip_min_length 1k;
    gzip_comp_level 6;
    gzip_types text/plain text/css text/javascript application/json application/javascript application/x-javascript application/xml;
    gzip_vary on;
    gzip_disable "MSIE [1-6]\.";

    # 设置根目录
    root /usr/share/nginx/html;
    index index.html;

    # 启用 CORS
    location / {
        try_files $uri $uri/ /index.html;
        add_header 'Access-Control-Allow-Origin' '*';
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
        add_header 'Access-Control-Allow-Headers' 'Authorization, Content-Type';
    }

    # 处理 404 页面
    error_page 404 /index.html;

    # 缓存静态资源
    location ~* \.(?:ico|css|js|gif|jpe?g|png|woff2?|eot|ttf|svg|json)$ {
        expires max;
        access_log off;
    }
}