Ubuntu上Docker部署SpringBoot应用的Postgres 14自动关闭问题求助

我在Ubuntu系统上使用Docker部署了SpringBoot应用，配套使用Postgres 14数据库。近期发现数据库会自动关闭，导致应用停止运行，目前每周都会出现该问题。以下是关闭时的日志信息：

2022-10-13 01:05:13.168 UTC [252712] [unknown]@[unknown] FATAL:  no PostgreSQL user name specified in startup packet
2022-10-13 03:29:17.416 UTC [256037] [unknown]@[unknown] LOG:  invalid length of startup packet
2022-10-13 05:37:41.705 UTC [258867] [unknown]@[unknown] LOG:  invalid length of startup packet
2022-10-13 05:55:44.607 UTC [259013] postgres@postgres FATAL:  no pg_hba.conf entry for host "109.237.97.141", user "postgres", database "postgres", no encryption
2022-10-13 06:12:02.686 UTC [163675] LOG:  received smart shutdown request
2022-10-13 06:12:02.686 UTC [255059] admin@active_inventory_db FATAL:  terminating connection due to administrator command
2022-10-13 06:12:02.686 UTC [259031] admin@active_inventory_db FATAL:  terminating connection due to administrator command
2022-10-13 06:12:02.687 UTC [259039] admin@active_inventory_db FATAL:  terminating connection due to administrator command
2022-10-13 06:12:02.687 UTC [259046] admin@active_inventory_db FATAL:  terminating connection due to administrator command
2022-10-13 06:12:02.687 UTC [259047] admin@active_inventory_db FATAL:  terminating connection due to administrator command
2022-10-13 06:12:02.687 UTC [259062] admin@active_inventory_db FATAL:  terminating connection due to administrator command
2022-10-13 06:12:02.688 UTC [259051] admin@active_inventory_db FATAL:  terminating connection due to administrator command
2022-10-13 06:12:02.688 UTC [259034] admin@active_inventory_db FATAL:  terminating connection due to administrator command
2022-10-13 06:12:02.688 UTC [259054] admin@active_inventory_db FATAL:  terminating connection due to administrator command
2022-10-13 06:12:02.688 UTC [259065] admin@active_inventory_db FATAL:  terminating connection due to administrator command
2022-10-13 06:12:02.721 UTC [163675] LOG:  background worker "logical replication launcher" (PID 252000) exited with exit code 1
2022-10-13 06:12:02.688 UTC [254661] admin@active_inventory_db FATAL:  terminating connection due to administrator command
2022-10-13 06:12:02.688 UTC [259050] admin@active_inventory_db FATAL:  terminating connection due to administrator command
2022-10-13 06:12:02.755 UTC [251995] LOG:  shutting down
2022-10-13 06:12:02.990 UTC [163675] LOG:  database system is shut down

注：admin为数据库用户，active_inventory_db是SpringBoot应用配置使用的数据库。

有没有其他用户遇到过该问题？

内容的提问来源于stack exchange，提问作者Jayesh