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Issue Docker - “Request failed with status code 500” in container/console

se2e-dev

New Pleskian
Server operating system version
Debian 12.13
Plesk version and microupdate number
18.0.75
In a Docker environment (Wiki.js + PostgreSQL), the Postgres container is shown as Running, but the following message keeps appearing in the console log:

Request failed with status code 500

The application itself seems to be running fine, and I don’t see any PostgreSQL errors.

Question:
Where does this 500 error in the Docker console come from, and does it indicate an actual problem?

Thanks for any hints.
 

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