Thanks to a user, we now have support for an option to disable the registration of new user accounts via an environment variable. The dependencies have also been updated in the 'requirements.txt' file.
linux/amd64
docker pull b1n4ryj4n/koreader-sync:latest
docker pull b1n4ryj4n/koreader-sync:0.0.5
linux/arm
docker pull b1n4ryj4n/koreader-sync:arm
docker pull b1n4ryj4n/koreader-sync:0.0.5-arm