Reverse Proxy + Load Balancing NGINX configuration

proxylb-nginx.conf

upstream nodejs {
        server localhost:5000;
        server localhost:5001;
    }

    server {
        listen 80;
        listen [::]:80;
        server_name SERVER_IP;
        root /home/ryan;

        proxy_set_header Host $http_host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

        location / {
                proxy_pass http://nodejs/;
        }
    }