Issue with self-hosted Bitwarden on Synology Docker

Hello, I have been running self-hosted Bitwarden for about a year and have had some issues recently. Learned quite a bit about troubleshooting thanks to this sub, Github and Bitwarden community site. I do have a complete export from the database and have decided to start fresh. However I cannot create the first user. Get an error:

An error has occurred.An unhandled server error has occurred.

Looking at the web container log:

2024-02-11 14:58:02,260 INFO success: admin entered RUNNING state, process has stayed up for > than 15 seconds (startsecs)
2024-02-11 14:58:10,570 INFO exited: admin (terminated by SIGABRT (core dumped); not expected)

Looking at the database container log:

2024-02-11  9:58:58 110 [Warning] Aborted connection 110 to db: 'unconnected' user: 'unauthenticated' host: '172.20.0.3' (This connection closed normally without authentication)

And finally the admin.log:

Unhandled exception. MySqlConnector.MySqlException (0x80004005): Host '172.20.0.3' is not allowed to connect to this MariaDB server

So on a clean install (all persistent files deleted) the app server cannot authenticate to the database. To conform I tried manually connection which also fails:

root@bitwarden-db:/# mariadb -u bitwardenuser bitwarden_vault
ERROR 1045 (28000): Access denied for user 'bitwardenuser'@'127.0.0.1' (using password: YES)

I have tried current back to 2023.10.3 with the same error. Although on current I get a .net version error which is apparently a known issue. As this is a new install I suspect there is something wrong with my build script so pasting it below for review. Only lines I recall changing recently are the healthchecks and the bitwarden image. Thanks for your help!

type or paste code here

Same exact issue here. 11 days and no one is responding???

New version of Bitwarden was released and I still have the same error. Also tried on Linux and Windows Docker with same result so does not appear Synology related. Any ideas?

@Chad_Vondra
Unfortunately, I am personally unable to help, as I have no experience with self-hosting. This is a community forum, in which Bitwarden users assist each other (with only occasional participation from Bitwarden staff), so you will have to wait until a user with the requisite expertise sees this thread. You may be better off going directly to Bitwarden’s Customer Support for help, using this contact form.