Computer scienceSystem administration and DevOpsDockerBuilding images with Dockerfile

Dockerfile (FROM, LABEL, CMD, ENTRYPOINT)

Practice with CMD instruction

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Assume you have the following Dockerfile and the ubuntu:v1 image created with it.

FROM ubuntu

LABEL author=HyperUser

CMD ["echo", "Hello World."]
CMD ["echo", "Hello Students."]

What will happen if you run it using the docker run ubuntu:v1 Hi. command.

Select one option from the list

It will print Hi.

It will print Hello Students. Hi.

It will print Hello Students.

You will get an error because the executable command isn't defined.

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