server {
    listen       80;
    server_name  localhost;

    # 开启gzip
    gzip on;
    gzip_min_length 1k;
    gzip_comp_level 9;
    gzip_types text/plain text/css text/javascript application/json application/javascript application/x-javascript application/xml;
    gzip_vary on;
    
    # 禁用缓存，解决前端缓存问题
    add_header Cache-Control "no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0";
    add_header Pragma "no-cache";
    add_header Expires "0";
    
    location / {
        root   /usr/share/nginx/html;
        index  index.html index.htm;
        # 处理单页应用路由
        try_files $uri $uri/ /index.html;
    }

    # 缓存静态资源，但排除 JavaScript 文件
    location ~* \.(jpg|jpeg|png|gif|ico|css)$ {
        root /usr/share/nginx/html;
        expires 1d;
    }
    
    # JavaScript 文件不缓存
    location ~* \.js$ {
        root /usr/share/nginx/html;
        add_header Cache-Control "no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0";
        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;
    }
}