Intall Errors NextCloud on Unraid

NextCloud: 28.0.3
Docker Image
Using NGinx and MariaDB

The imagick issue is kicking ass. I’ve tried what I’ve seen on other threads but I can’t install imagick through the command line. My Unraid terminal doesn’t understand apt lol
Also, those 5 warnings are irrelevant. Yet they persist! how do I get rid of it as a warning?
Can anyone help?