[https://www.digitalocean.com/community/tutorials/how-to-install-nginx-on-ubuntu-16-04](Install Nginx)
[https://www.digitalocean.com/community/tutorials/how-to-set-up-a-node-js-application-for-production-on-ubuntu-16-04](Configure PM2)
sudo apt-get update -y
sudo apt-get install build-essential -y
sudo apt-get install nginx -y
sudo ufw allow 'Nginx Full'