nginx config to be used in /etc/nginx/sites-available/<name>

nginx-config

server {
    listen 80;
    server_name <website-url>;

    location / {
        proxy_set_header   X-Forwarded-For $remote_addr;
        proxy_set_header   Host $http_host;
        proxy_pass         "http://127.0.0.1:3000";
    }
}