[BUG] multi-container db is not initialized correctly

[NODeeJay]

** Please attach large files to the report instead of pasting the contents into the report. **

Describe the bug
When starting the compose for multi-container, the db container is not initialized correctly. It seems on first run it does not know about the DB version yet which run pg_createcluster most probably with the version 0 instead of 13 or whatever is the current one there.

To Reproduce

1. in Portainer I manually added a stack
2. gave it a name
3. copy pasted the yaml and env to the corresponding fields
4. all containers start, however ovas_gvmd spams DB not ready yet and the DB outputs this

2026-01-29T12:19:58.289570960Z starting container ver 25.12.26.01 at: Thu Jan 29 12:19:58 UTC 2026
2026-01-29T12:19:58.289624049Z Setting up container filesystem
2026-01-29T12:19:58.292164886Z Creating needed Directories
2026-01-29T12:19:58.304665410Z ln: failed to create symbolic link '/run/ospd/ospd': File exists
2026-01-29T12:19:58.326254218Z Validating other directories
2026-01-29T12:19:58.419665559Z Setting up soft links
2026-01-29T12:19:58.419693954Z PostgreSQL Version is 
2026-01-29T12:19:58.419701618Z total 0
2026-01-29T12:19:58.424398063Z Database  not found in /data/database, initializing ...
2026-01-29T12:19:58.545036966Z Usage: /usr/bin/pg_createcluster [options] <version> <cluster name> [-- <initdb options>]
[...]

later it continues with the process successfully starting with the creation of the 2 confs and lib and log.

5. Subsequent starts of the ovas_postgresql container ends in the container trying to update the DB and failing

2026-01-29T12:23:56.757806676Z 2026-01-29 12:22:46.485 GMT [19] LOG:  skipping missing configuration file "/data/database/postgresql.auto.conf"
2026-01-29T12:23:56.757810979Z 2026-01-29 12:22:46.485 UTC [19] FATAL:  "/data/database" is not a valid data directory
2026-01-29T12:23:56.757815286Z 2026-01-29 12:22:46.485 UTC [19] DETAIL:  File "/data/database/PG_VERSION" is missing.
2026-01-29T12:23:56.757819358Z 2026-01-29 12:23:51.761 GMT [18] LOG:  skipping missing configuration file "/data/database/postgresql.auto.conf"
2026-01-29T12:23:56.757823585Z 2026-01-29 12:23:51.762 UTC [18] FATAL:  "/data/database" is not a valid data directory
2026-01-29T12:23:56.757827829Z 2026-01-29 12:23:51.762 UTC [18] DETAIL:  File "/data/database/PG_VERSION" is missing.
2026-01-29T12:23:56.757831919Z  Log status done. 
2026-01-29T12:23:56.757835871Z Looking for indication of database mismatch.
2026-01-29T12:23:56.759809495Z There does not appear to be a difference in databases versions.... 
2026-01-29T12:23:56.759841125Z exiting now
2026-01-29T12:23:56.760033845Z  DB Upgrade was a success. Starting postgresql 13
2026-01-29T12:23:56.784348337Z 2026-01-29 12:23:56.784 GMT [53] LOG:  skipping missing configuration file "/data/database/postgresql.auto.conf"
2026-01-29T12:23:56.785814953Z pg_ctl: directory "/data/database" is not a database cluster directory
2026-01-29T12:24:57.020094496Z starting container ver 25.12.26.01 at: Thu Jan 29 12:24:57 UTC 2026
2026-01-29T12:24:57.020134700Z Choosing container start method from:
2026-01-29T12:24:57.020143723Z postgresql
2026-01-29T12:24:57.020150444Z Starting postgresql for gvmd !!
2026-01-29T12:24:57.020170891Z Starting PostgreSQL...
2026-01-29T12:24:57.048709691Z 2026-01-29 12:24:57.048 GMT [14] LOG:  skipping missing configuration file "/data/database/postgresql.auto.conf"
2026-01-29T12:24:57.051022074Z pg_ctl: directory "/data/database" is not a database cluster directory
2026-01-29T12:24:57.051681204Z pg exit with 1 .

7. after some time openvas and ovas_gvmd turns unhealthy

Expected behavior
Container inits correctly and starts

Screenshots
see logs

Environment (please complete the following information):

• OS: Mint 21.2
• Memory available to OS: 16GB + 8GB zram
• Container environment used with version: docker/portainer

logs ( commands assume the container name is 'openvas' )
Please attach the output from one of the following commands:

docker

docker logs openvas > logfile.log

Podman

podman logs openvas > logfile.log

docker-compose

docker-compose logs > logfile.log

Please "attach" the file instead of pasting the conents to the issue.

Additional context
Add any other context about the problem here.