How to Successfully Set Up KrakenD on GKE: A Step by Step Guide is a step-by-step guide. The guide uses a single external IP address to handle traffic from multiple domains to a GKE Ingress. We can use KrakenD to route traffic to different namespaces since GKE’s Ingress doesn’t allow for routing across namespaces at this stage. We are also going to see one of the ways of using a single. external. IP address.