You have a Dockerfile that you need to deploy on Kubernetes Engine. What should you do? 

Answer options:

A. Use kubectl app deploy <dockerfilename>.
B. Use gcloud app deploy <dockerfilename>.
C. Create a docker image from the Dockerfile and upload it to Container Registry. Create a Deployment YAML file to point to that image. Use kubectl to create the deployment with that file.
D. Create a docker image from the Dockerfile and upload it to Cloud Storage. Create a Deployment YAML file to point to that image. Use kubectl to create the deployment with that file.

C

Reference - https://cloud.google.com/kubernetes-engine/docs/tutorials/hello-app