docker login fails on a server with no X11 installed

Question

I am trying to deploy a docker configuration with images on a private docker registry.

Now, every time I execute docker login registry.example.com, I get the

Answer 1

What helped me on Ubuntu 18.04 was:

1. Following the steps in @oberstet 's post and uninstalling the golang helper
2. Performing a login after the helper uninstall
3. Reinstalling docker via sudo apt-get install docker
4. Logging back in via sudo docker login