Computer scienceSystem administration and DevOpsDockerBuilding images with Dockerfile

Dockerfile (USER, WORKDIR, EXPOSE)

How to EXPOSE container ports?

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Let's say you ran a container using this Dockerfile.

FROM ubuntu:22.04

LABEL author=HyperUser

ENTRYPOINT ["/bin/bash"]

Which of the statements below is true?

Select one option from the list

There are no exposed ports but you can expose any port when running the container.

You don't have any exposed ports.

When you run a container, port 80 is exposed for a TCP connection by default .

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