Trouble shooting another issue with one of my servers, I came accross this in the Docker log / diag. report:
time="2017-02-17T15:59:57.749546995-07:00" level=error msg="Handler for POST /images/create returned error: Error parsing reference: \"hexparrot/mineos:node-jessie:latest\" is not a valid repository/tag"
Checking my main minecraft server, I have this error as well when I try and run the update
I had a response from Hexparrot..... looks like the ":latest" could be the issue & I don't see where to make this change, as this is a little beyond what I have delved into with dockers, i could be wasting your time:
See the attached screenshot. Just remove latest from the repository section.