DL4003

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Vlastimil Zeman edited this page Nov 10, 2017 · 3 revisions

Multiple `CMD` instructions found. If you list more than one `CMD` then only the last `CMD` will take effect.

Problematic code:

FROM busybox
CMD /bin/true
CMD /bin/false

Correct code:

FROM busybox
CMD /bin/false

Rationale:

Rule also implemented in https://github.com/RedCoolBeans/dockerlint/blob/master/src/checks.coffee