Docker config file changed for storeing private registries keys

Solution Unverified - Updated -

Issue

  • Where is my .dockercfg file now
  • Why is docker saving my login credentials $HOME/.docker/config.json
  • Is .docker/config.json file interchangeable with the old .dockercfg file

Environment

  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Atomic Host
  • Openshift 3

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