How ironic. I just added https to my site and was searching for a solution to this problem. I ended up using certonly --standalone as described here and it work

How ironic. I just added https to my site and was searching for a solution to this problem. I ended up using certonly --standalone as described here and it worked like a charm: https://www.digitalocean.com/community/tutorials/how-to-secure-nginx-with-let-s-encrypt-on-ubuntu-14-04 https://www.digitalocean.com/community/tutorials/how-to-secu...