Basic Proxy Configuration

server {
        listen 80;
        listen [::]:80;

        server_name smane.krsh.xyz;

        location / {
                proxy_set_header Host $host;
                proxy_pass localhost:3000;
        }
}

2. ln -s da /etc/nginx/sites-available a /etc/nginx/sites-enabled
3. systemctl restart nginx
4. sudo certbot —nginx smane.krsh.xyz;