surprising that this scenario is not part of the base implementation of python.  Stream output from a subprocess...really?  It should not be this obscure.
surprising that this scenario is not part of the base implementation of python.  Stream output from a subprocess...really?  It should not be this obscure.

devopscenter/dcStack,devopscenter/dcStack,devopscenter/docker-stack,devopscenter/docker-stack,devopscenter/docker-stack,devopscenter/dcStack,devopscenter/dcStack