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Merge pull request #1857 from infosiftr/scram-sha-256 

Add explicit PostgreSQL note about scram-sha-256
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yosifkit 2020-12-28 14:46:35 -08:00 committed by GitHub
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@ -93,6 +93,8 @@ See the PostgreSQL documentation on [`pg_hba.conf`](https://www.postgresql.org/d
**Note 2:** If you set `POSTGRES_HOST_AUTH_METHOD` to `trust`, then `POSTGRES_PASSWORD` is not required.
**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`).
### `PGDATA`
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.