Docker Best Practices

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Revision as of 03:23, 16 August 2020 by Manuele.simi (Talk | contribs) (Dockerfile)

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Dockerfile

Use Metadata Labels

Define the Maintainers

Which Users inside the Image

Define the App Name

Define the WORKDIR

Use COPY instead of ADD

Sensitive Information

Never add passwords, hostnames, externals paths, tokens, and keys into images. Use a .dockerignore file to avoid a hazardous COPY instruction, which pulls in sensitive information from the build context.

Minimize the Image Size

What to Package

What do we put inside a Docker image.