Windows Admin Center (formerly known as "Project Honolulu") is the new browser-based administration tool for Windows Server, intended to replace the old Server Manager and actually already quite good at it. If you want to find out more, see https://docs.microsoft.com/en-us/windows-server/manage/windows-admin-center/overview where it is quite well documented. Not so well documented at least to my knowledge…
The standard setup for Windows Docker containers is to connect new containers to a NAT network. For more information see Microsoft Docs, but basically it means that a new container gets an IP address from an internal network which is only reachable form the host (your laptop or VM where the container is running). That…