Compose deploy fails when required database variables are missing

Error recorded 9 times in PanelAlpha Engine deploys on Docker Compose. The deploy log below is the recorded failure output.

Seen9 times
WhereDocker Compose

Why it happens

The Compose file requires POSTGRES_DATABASE and POSTGRES_USER, but no environment source was loaded during deployment. Compose stops while interpolating the database and server settings, before containers can start. The generated password does not replace these required variables.

What the log looks like

Deploy log
Detected project type: Docker ComposeUsing strategy: composeUsing default environment variables (source: none)Starting application (docker compose up -d)error while interpolating services.budget-board-db.environment.POSTGRES_DB: required variable POSTGRES_DATABASE is missing a valueerror while interpolating services.budget-board-db.environment.POSTGRES_USER: required variable POSTGRES_USER is missing a valueDeploy failed: Failed to start app

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Requires Ubuntu 24.04 or 26.04 · 2 GB RAM · 1 CPURead the documentation