Adjust Hikari connection pool settings in `application.yaml`: reduce...
Adjust Hikari connection pool settings in `application.yaml`: reduce `keepalive-time`, `max-lifetime`, and add `connection-test-query` and updated `validation-timeout`.
Adjust Hikari connection pool settings in `application.yaml`: reduce `keepalive-time`, `max-lifetime`, and add `connection-test-query` and updated `validation-timeout`.