sudo apt install -y nginx

sudo nano /etc/nginx/sites-available/kiwiirc

server {
    listen 80;
    server_name irc.yourdomain.com;

    location / {
        proxy_pass http://localhost:3000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
    }
}

sudo ln -s /etc/nginx/sites-available/kiwiirc /etc/nginx/sites-enabled
sudo systemctl restart nginx