Fix error when pulling docker images
Fix error when pulling docker images

This addresses error `Couldn't find env file: /opt/mozdef/docker/compose/cloudy_mozdef.env`

gdestuynder/MozDef,gdestuynder/MozDef,jeffbryner/MozDef,mozilla/MozDef,mpurzynski/MozDef,mozilla/MozDef,Phrozyn/MozDef,Phrozyn/MozDef,mozilla/MozDef,jeffbryner/MozDef,gdestuynder/MozDef,mpurzynski/MozDef,mpurzynski/MozDef,gdestuynder/MozDef,mozilla/MozDef,mpurzynski/MozDef,Phrozyn/MozDef,Phrozyn/MozDef,jeffbryner/MozDef,jeffbryner/MozDef