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Superseded by buildkit/MultipleInstructionsDisallowed, which covers duplicate CMD, ENTRYPOINT, and HEALTHCHECK instructions with auto-fix support.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

​Description

​Examples

​Problematic code

​Correct code

​Reference

Description

Examples

Problematic code

Correct code

Reference