Scheduled Task (renewal)

$ sudo crontab -e

# Lets encrypt twice daily
0 7,19 * * * certbot -q renew

Script that reads le.txt and requests certificates for each domain

$ nano le.sh && chmod +x le.sh

DOMAINS=$(paste -s -d, le.txt)
sudo letsencrypt certonly --webroot -w /var/www/html -d $DOMAINS 
sudo service nginx reload

Note: Recently certbot changed from seperating each domain with -d to comma seperated.

List of Domains (one per line, add to the end)

$ nano le.txt

vandragt.com
www.vandragt.com