Summary
This document covers major steps I went thru to run our container gateway 9.3 in Google Cloud using its Kubernetes Engine, I also have my artifacts attached for easy access. There are other form factor you could leverage while running in Google cloud, however this article is only focused on the combination: Kubernetes + Container Gateway.
Step-by-Step
Note: google cloud has many components and you need to install "kubectl". Down below is my install. I have big query and cloud storage components installed for other customer engagements, and you could ignore them.
If you want to view logs of the gateway container, you could login to GCP view UI and navigate to the pod. Here is a screen shot: