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MAINTAINER is deprecated.
Superseded by buildkit/MaintainerDeprecated, which provides the same check with auto-fix support.

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Description

The MAINTAINER instruction is deprecated. Use the org.opencontainers.image.authors label instead.

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Examples

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Problematic code

MAINTAINER moby@example.com

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Correct code

LABEL org.opencontainers.image.authors="moby@example.com"

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Reference