Nextcloud Docker APP


just installed UCS 5. Just to get Windows Domain Services and Nextcloud Docker Image.
Where do i find information about how to add a URL in “Trusted Domains” in Docker? Because i messed up a few Times with docker, and i know its difficult to change something inside the docker image?
And i want to load a script at login on my windows machines. How do i do that?

Thanks and Happy New Yeae 2022!

Please see this Info: