server {
listen 443      ssl http2;
listen [::]:443 ssl http2;

      server_name  subdomena.domena.pl;

      location / {
        proxy_redirect off;
        proxy_set_header Host $host;
        proxy_hide_header Upgrade;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Host $server_name;
        proxy_pass  https://192.168.88.217:2137;
      }
    }