server {
         listen 80;
         listen [::]:80;
         server_name domain.alvkn.hohol.club;


     location / {
         proxy_pass http://localhost:PORT;
         proxy_set_header Host $host;
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection upgrade;
         proxy_set_header Accept-Encoding gzip;

         }
}