How do use Multiple Domains

I have started a home lab and have gotten Traefik to work with some containers to provide access based on the domain I have a pretty simple config and using a whoami container thats linked to Works great but the next step is to add an application I choose a WordPress site. I have a domain say Now when I set up and configure the domain to get the https certs for some reason the container is now at https and doesnt want to trust the certs traefik auto creates.

How can i get around this issue ?