Research Questions Building a Custom Image

Which of the following commands is used to list the docker images on the Docker Host?

docker images
docker image ls
docker image get
docker ls image

Which of the following commands used to match all images with the com.example.version label?

docker images --label="com.example.version"
docker images --filter "com.example.version"
docker images --filter "label=com.example.version"
docker images --format "label=com.example.version"

Which of the following is not an instruction supported in the Dockerfile? Select the all right answers.

EXPOSE
ADD
WORKDIR
EXEC

The … is a text document that contains all the commands a user could call on the command line to assemble an image.

Dockerfile
Docker Compose
.dockerignore
build context

Which method can be used to build an image using existing containers?

docker commit
docker export
docker save
docker load

The container being committed and its processes will be paused while the image is committed.

True
False

We have a running container named webapp with the nginx image. We added a custom html file to this container. How do we create an image named mynginx from this container?

docker container commit webapp mynginx
docker container commit mynginx webapp
docker container update webapp mynginx
None of the above

The docker container commit is the recommended approach for building a custom image.

True
False

You are required to create an image from an existing image. What is the recommended approach?

Use docker image export and docker image import command
Use docker container export and docker container import command
Use docker image save and docker image load command
Use docker container commit command

You are required to create an image from an existing container. What is the recommended approach?

Use docker image export and docker image import command
Use docker container export and docker container import command
Use docker container commit command
Use docker container export and docker image import command

Research Questions Building a Custom Image

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