Unbreak docker build by using readlink (#158)
Unbreak docker build by using readlink (#158)

reallink is a non-existing command.  I had confused it for realpath.
However, what I had mean to use was readlink.

See:
https://github.com/docker/for-mac/issues/2396#issuecomment-446515510
smawson/istio,istio/istio,istio/operator,istio/istio,istio/operator,smawson/istio,istio/operator,smawson/istio,istio/istio,istio/istio,smawson/istio,istio/istio,smawson/istio,smawson/istio