Self hosting on kubernetes

I have successfully got penpot and it’s various systems running in the same pod. The backend has migrated it’s tables to the database.

However when I go to the front end I am greeted with an error :

“Something bad happened. Please retry the operation and if the problem persists, contact support.”

When I check the front-end log I get the following - - [12/Jun/2024:19:05:26 +0000] “GET /api/rpc/command/get-profile HTTP/1.1” 400 226 “-” “Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/ Safari/537.36”

Any ideas what could be causing this HTTP 400 error, please?

Or how to go about tracking it down?

Edit: I think what I need is a complete list of ports to open for the backend and exporter containers. Is there such a list?