@stephdl did you manage to Make the Bug Report?
Coudot images here coudot/lemonldap-ng - Docker Image | Docker Hub
Have stopped releasing any newer versions beyond **2.20.2 released 8 Months Ago.
**
All newer versions, seems to be pushed to org in: lemonldapng/lemonldap-ng Tags | Docker Hub
still made by Coudot.
I tried Updating to the new release to test here: GitHub - geniusdynamics/ns8-lemonldapng at dev
While everything seem to work, Logging in does not work, is that the issue you faced ealier.
interestingly, inputing wrong credentials will tell you its wrong.
As I posted on the release App here:
The official Docker image has been improved, to ease customization and volumes management. See Docker Hub and documentation
These are all the changes Made:
History for Dockerfile - LemonLDAPNG/lemonldap-ng-docker