db settings in docker

[lavazza2017]

Hi, question for you most likly easy for you.
I want use netbox in docker.
I have installed and it started running however it shows
django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet. [ Use DB_WAIT_DEBUG=1 in netbox.env to print full traceback for errors here ] ⏳ Waiting on DB... (6s / 30s)

I logged in to container and delete configuration.py and replace with configuration_test.py (with new postgress server).

Reset containter not help much.

How can I set in docker variable to automatick connect to "publick" postrgress db

PS
I can log in via dbvewer to that postgress db