[Bug] password authentication failed for user "postgres" / Role "postgres" does not exist.

Bug report

when using docker, everything works correctly for a few hours, then Postgres starts showing an error about an account that does not exist.  Tested with release 0.3.0 on ubuntu 20.04, and Docker 4.12.

Relevant log output

postgres_1    | 2023-03-24 21:42:44.141 UTC [93] FATAL:  password authentication failed for user "postgres"
postgres_1    | 2023-03-24 21:42:44.141 UTC [93] DETAIL:  
postgres_1    |         Connection matched pg_hba.conf line 100: "host all all all scram-sha-256"

IPFS hash

No response

Subgraph name or link to explorer

No response

Some information to help us out

• Tick this box if this bug is caused by a regression found in the latest release.
• Tick this box if this bug is specific to the hosted service.
• I have searched the issue tracker to make sure this issue is not a duplicate.

OS information

Linux

まず、Ubuntu 20.04 上で release 0.3.0 について説明されている Docker デプロイメントを再現し、その後、報告されている PostgreSQL 認証ログと、レポートに示されている pg_hba.conf ルールを調査します。数時間後に postgres アカウントが利用できなくなる理由を特定し、検証済みの修正を文書化または実装できれば完了です。