You have a Dockerfile that you need to deploy on Kubernetes Engine. What should you do?
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.
The correct answer is Option C. To deploy a Docker container on Kubernetes Engine, you should first create a Docker image from the Dockerfile and push it to Container Registry, which is a fully-managed Docker container registry that makes it easy for you to store, manage, and deploy Docker container images. Then, you can create a Deployment YAML file that specifies the image to use and other desired deployment options, and use the kubectl command-line tool to create the deployment based on the YAML file.
Option A is incorrect because kubectl app deploy is not a valid command.
Option B is incorrect because gcloud app deploy is used to deploy applications to App Engine, not Kubernetes Engine.
Option D is incorrect because it involves storing the image in Cloud Storage rather than Container Registry.
https://cloud.google.com/kubernetes-engine/docs/how-to/deploying-a-container
The file image should be created from the Dockerfile and pushed to the Registry and from there it should be deployed once it's YAML structure is in place.
C is correct.
A can be eliminated because kubectl app * is not a valid command
B can be eliminated because gcloud app deploy deploys on app engine, not on kubernetes (also it still requires a config file pointing to the image).
D is not correct, since you cannot deploy a container image directly from GCS
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