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How can you ensure that some files will be ignored by a build process and won't be copied as part of COPY instruction that is defined in a Dockerfile?

Experience Level: Senior
Tags: Docker

Answer

To exclude files not relevant to the build (without restructuring your source repository) use a .dockerignore file. This file supports exclusion patterns similar to .gitignore files. For information on creating one, see the .dockerignore file.

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