Pushing and pulling images in GCP - Cheat Sheet & Quick Revision

Recall & Review

beginner

What does 'pushing an image' mean in cloud container registries?

Pushing an image means sending your local container image to a cloud container registry so it can be stored and shared.

beginner

What is the purpose of 'pulling an image' from a container registry?

Pulling an image means downloading a container image from a cloud registry to your local machine or server to run it.

beginner

Which GCP service is commonly used to store container images?

Google Container Registry (GCR) or Artifact Registry are used to store container images in GCP.

intermediate

What command is used to push a Docker image to Google Container Registry?

The command is: docker push gcr.io/[PROJECT-ID]/[IMAGE]:[TAG] where you replace placeholders with your project and image details.

intermediate

Why do you need to authenticate before pushing or pulling images in GCP?

Authentication ensures you have permission to access the container registry and protects your images from unauthorized use.

What is the first step before pushing an image to Google Container Registry?

A Authenticate with GCP using gcloud

B Run the image locally

C Delete old images

D Create a Kubernetes cluster

You must authenticate with GCP using the gcloud tool to have permission to push images.

Which command pulls an image from Google Container Registry?

A kubectl pull image

B docker push gcr.io/project/image:tag

C gcloud pull image

D docker pull gcr.io/project/image:tag

The 'docker pull' command downloads an image from the registry.

Where are container images stored in GCP?

A Google Cloud Storage buckets

B Google Compute Engine

C Google Container Registry

D Google BigQuery

Google Container Registry is designed to store container images.

What does the tag in an image name specify?

A The image size

B The image version or variant

C The registry location

D The container runtime

Tags identify different versions or variants of the same image.

Why is it important to use tags when pushing images?

A To avoid overwriting images unintentionally

B To speed up the push process

C To encrypt the image

D To reduce image size

Tags help manage versions and prevent overwriting images accidentally.

Explain the process of pushing a container image to Google Container Registry.

Think about the steps from local image to cloud storage.

Describe why authentication is necessary when pulling or pushing images in GCP.

Consider security and access control.