I just want to point out: My internet connection sucks. So I\'ve started pushing a new image, the scenario is something like this:
b57ecdb750f2: Pushing [====>
In my Ubuntu, I added /etc/docker/daemon.json with:
/etc/docker/daemon.json
{ "max-concurrent-uploads": 1 }
and then sudo service docker restart. Worked like a charm.
sudo service docker restart