Need help with Keycloak config in TrueNAS App

[lucx0207]

Hey everyone,
i've tried everything but I can't get keycloak to work on opencloud which is hosted via truenas app.
I did the config through the additional environment variables in the app edit menu. I added the variables that I think I need, but all I see is the loading circle.
I don't really know what iam doing wrong... maybe I just configured something wrong.
It would be nice if someone can post the exact environment variables he used in truenas. And yes I read the docs but it doesn't help me...