Nginx Node reverse proxy

Nginx.conf

server {
	root /var/www/shopeasyApi;

        index index.html index.htm;

        # Make site accessible from http://localhost/
        server_name peasy.ng www.peasy.ng;

        location / {
	#try_files $uri $uri/ =404;
	
	proxy_pass http://159.65.55.81:3001/;
        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;
        }
  }