Comment (by Roland Haas):

I approved and merged the Dockerfile changes and have pulled the updated docker image to the etkhub server.

I have also updated the login screen etc as well as made CILogon the login provider. For those who already registered via github I tried to add their github email address so that you can use GitHub through CILogon to log in.

@Bill Gabella I had to guess your likely github email address.

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2234/trouble-in-the-tutorial-server