What is the purpose of a .dockerignore file?

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Mohammedsaleh Ibrahim · Accepted Answer

It specifies files that Docker does not submit to the Docker daemon when building a Docker image

Mohammedsaleh Ibrahim · Answer

It lists files existing in a Docker image which should be excluded when building a derivative image.

Mohammedsaleh Ibrahim · Answer

It exists in the root file system of containers that should ignore volumes and ports provided by Docker.

Mohammedsaleh Ibrahim · Answer

It must be placed in the top level directory of volumes that Docker should never attach automatically to a container

Mohammedsaleh Ibrahim · Answer

It specifies which parts of a Dockerfile should be ignored when building a Docker image.

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