Don't run functions as gid=0 #663
Description
There is a runAsNonRoot setting in the faas-netes configuration, but functions do run as gid 0, which was raised as a potential problem by our security team.
Expected Behaviour
It should be possible to run with gid!=0.
Current Behaviour
Containers run as gid=0.
Your Environment
OpenFaaS on GKE.