What is the purpose of a .dockerignore file?
A
It lists files existing in a Docker image which should be excluded when building a derivative image.
B
It specifies files that Docker does not submit to the Docker daemon when building a Docker image
C
It exists in the root file system of containers that should ignore volumes and ports provided by Docker.
D
It must be placed in the top level directory of volumes that Docker should never attach automatically to a container.
E
It specifies which parts of a Dockerfile should be ignored when building a Docker image.
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