Проблема

docker login -u username registry.autosys.tk
Password: 
WARNING! Your password will be stored unencrypted in /home/user/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store

Login Succeeded

Однако при ппытке выполнить:

docker push ...

Ошибка:

docker push registry.autosys.tk/dokuwiki-php
The push refers to repository [registry.autosys.tk/dokuwiki-php]
...
...
unauthorized: access to the requested resource is not authorized

https://github.com/docker/docker-credential-helpers/issues/102