hadolint/DL4003¶

Multiple CMD instructions found.

Superseded by buildkit/MultipleInstructionsDisallowed, which covers duplicate CMD, ENTRYPOINT, and HEALTHCHECK instructions with auto-fix support.

Description¶

If more than one CMD instruction is listed, only the last one takes effect.

Examples¶

Problematic code¶

FROM alpine
CMD echo "first"
CMD echo "second"

Correct code¶

FROM alpine
CMD echo "second"

Reference¶

• hadolint/DL4003