Computer scienceSystem administration and DevOpsDockerBuilding images with Dockerfile

Dockerfile (FROM, LABEL, CMD, ENTRYPOINT)

A valid Dockerfile

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What's wrong with the following Dockerfile?

LABEL author=HyperUser

FROM Ubuntu22.04

ENTRYPOINT ['/bin/bash']

The official documentation about instruction formatting can help you to find the answer.

Select one or more options from the list

All answers are correct.

LABEL instruction can't precede FROM instruction

All Dockerfiles must define at least one CMD instruction.

ENTRYPOINT executable should be surrounded by double quotes.

The image name format is incorrect.

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