server {
    listen       ${VIRTUAL_PORT};
    listen  [::]:${VIRTUAL_PORT};
    server_name ${VIRTUAL_HOST};
    location / {
        root   /var/www/html;
        index  index.html index.htm;
    }
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }
}