Hi @adorable-monitor-36206, the default backing services are meant for dev. It assume, that u need to know that say

postgresql-dev

if service name is

project-db

is:

PG_HOST=$(ls /configurations | grep '\-postgresql$')
PG_PWD=$(cat /configurations/product-db/postgres-password)
PG_USR=postgres
PG_DBN=postgres

It is not ideal but it is for development.