The official entrypoint re-executes itself as mongodb (uid 999) and only then reads
MONGO_INITDB_ROOT_PASSWORD_FILE, so a root-owned 0600 file is 'Permission denied' at line 83 and
the server never starts. secrets-owner is the mechanism ADR 0086 gives for exactly this.
From the survey of every env-file secret (ADR 0086, issue 041): amqp-ping,
minio, mongodb and grafana use the _FILE twin their software honours;
mesh-catalog and model-usage read DATABASE_URL_FILE (a file the mesh
templates, mounted where only the runtime reads it); grafana's secret files
belong to its own account. Two dead deliveries removed: a line nothing read
in amqp-email-forwarder, and mailu's secret.env on four containers that
never read it. The 25 exceptions that remain carry the surveyed reason —
convertible and awaiting a bed, convertible through a generated config file,
the application's own code, or not convertible.
jschoubben