I have spent countless hours trying to migrate my wordpress website to a new server (VPS) but while this is not a big deal under http, I find it an extremely laborious and error prone process with Let's Encrypt. I am probably missing something so I would like to ask what I'm doing wrong or misunderstanding. Here is my story. To start with, both the old and the new server use NGINX as their webserver. Let's say my site is at mydomain.com as well as www.mydomain.com on the old server. Since I ...