SSL CertBot with Lets Encrypt
This runs in snap. You will need to install that first (if you don't have it already).
See if you have snap
    `snap`    or `snap -v`
    
Install a certificate bot REPO for "lets encrypt"
    Go to: https://certbot.eff.org/lets-encrypt/
Make sure Certbot is not installed first: sudo apt-get remove certbot
Run Auto Cert
    sudo certbot --nginx
    
Test Automatic renewal
    sudo certbot renew --dry-run