|  | @@ -93,6 +93,8 @@ See the PostgreSQL documentation on [`pg_hba.conf`](https://www.postgresql.org/d
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				|  |  |  **Note 2:** If you set `POSTGRES_HOST_AUTH_METHOD` to `trust`, then `POSTGRES_PASSWORD` is not required.
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				|  |  | +**Note 3:** If you set this to an alternative value (such as `scram-sha-256`), you might need additional `POSTGRES_INITDB_ARGS` for the database to initialize correctly (such as `POSTGRES_INITDB_ARGS=--auth-host=scram-sha-256`).
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				|  |  |  ### `PGDATA`
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				|  |  |  This optional variable can be used to define another location - like a subdirectory - for the database files. The default is `/var/lib/postgresql/data`. If the data volume you're using is a filesystem mountpoint (like with GCE persistent disks) or remote folder that cannot be chowned to the `postgres` user (like some NFS mounts), Postgres `initdb` recommends a subdirectory be created to contain the data.
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