NS Record set & DNS Propagation check, A record Check https://dnsmap.io/#A/spedfit.com or https://dnschecker.org/#A/www.spedfit.com

If you find the IP of the server from the search above, then you are ready to go to the next step.

nano /etc/nginx/conf.d/spedfit.com.conf

server {
        listen 80;
        server_name spedfit.com;
	#expires 1d;

	location / {

          #proxy_cache my_cache;
	  #proxy_buffering        on;
	  #proxy_cache_valid      200  1d;
	  #proxy_cache_use_stale  error timeout invalid_header updating
          #http_500 http_502 http_503 http_504;

          proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
          proxy_set_header X-Forwarded-Proto $scheme;
          proxy_set_header X-Real-IP $remote_addr;
	  proxy_set_header Host $host;
          proxy_pass  http://127.0.0.1:8822;
        }
}

sudo systemctl status nginx
sudo systemctl reload nginx
sudo systemctl restart nginx

sudo nginx -t

Windows: using winscp WinScp Download
Linux: using ssh scp command (Jenkins pipeline job/groovy script generator)

sudo nano /lib/systemd/system/spedfit.service

[Unit]
Description=Spedfit website
After=network.target

[Service]
Type=simple
Restart=always
RestartSec=5s
WorkingDirectory=/home/mastererp/spedfit.com/
ExecStart=/home/mastererp/spedfit.com/spedfit

[Install]
WantedBy=multi-user.target

sudo chmod 664 /lib/systemd/system/spedfit.service

sudo systemctl daemon-reload

sudo service spedfit status
sudo service spedfit start

sudo systemctl enable spedfit

sudo certbot --nginx -d spedfit.com -d www.spedfit.com

sudo certbot --nginx -d spedfit.com -d www.spedfit.com

https://www.ssllabs.com/ssltest/analyze.html?d=spedfit.com

sudo certbot renew --dry-run

sudo firewall-cmd --list-ports
sudo firewall-cmd --permanent --add-port=8822/tcp
sudo firewall-cmd --reload
sudo firewall-cmd --list-ports

sudo chmod +x /home/mastererp/spedfit.com/spedfit

sudo chown -R root:root /home/mastererp/spedfit.com/

• NGINX digitalocean setup guide
• APACHE digitalocean setup guide