add PGPORT environment variable to docker compose

[RobbyV2]

I faced some issues with setting up with the db, and I realized it was connecting to the default postgres port not respecting the setting in .env so adding a quick parameter to the compose for the bootstrapper fixed it

[krokhale]

Changing the Postgres port is typically environment-specific and something users can override locally rather than something we hardcode in main.

Could you share the context for why this change is needed? If it’s to avoid a local port conflict, that would usually be handled per-user since everyone’s setup is different.
Happy to discuss if there’s a broader use case I’m missing.