How to setup Dockers to have own IP address without sharing the host IP address:
This is only valid in unRAID 6.3 series going forward.
6.4.0 has this built into the GUI but currently have a limitation of needing extra IP addresses for each of your interfaces and needs to delete all manually created docker networks. If you don't like that, you can opt to create the network manually like here and disable the docker network auto cleanup.
6.4.1 is now more intelligent about this and