upstream hkg {
    server 8.218.174.118:8080;
    server 8.218.18.235:8080;
    server 47.243.42.219:8080;
    server 8.218.65.237:8080;
    server 8.218.211.17:8080;
}

server {
    listen 20718;
    listen [::]:20718;

    server_name _;

    root /var/www/example.com;
    index index.html;

    location / {
        try_files $uri $uri/ =404;
    }

    location /m {
        proxy_pass http://hkg;

        # WebSocket support
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        # Other proxy settings
        proxy_set_header Host "hk4.zhihubaiduxiaohongshu.top";
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
}