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Improve dockerfile verify #3260

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BobyMCbobs opened this issue Sep 25, 2023 · 3 comments · Fixed by #3264
Closed

Improve dockerfile verify #3260

BobyMCbobs opened this issue Sep 25, 2023 · 3 comments · Fixed by #3264
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enhancement New feature or request

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@BobyMCbobs
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Description

The command cosign dockerfile verify ./Dockerfile works great if a Dockerfile contains literal image names but not for anything else.

I'd like the two following methods to be supported

  1. resolve from variable
ARG IMAGE=myimage:mytag
FROM $IMAGE

(ARG or ENV)

  1. image in COPY
COPY --from=myimage:mytag /etc/passwd /etc/passwd

/assign
@BobyMCbobs BobyMCbobs added the enhancement New feature or request label Sep 25, 2023
@EraKin575
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I would like to work on this issue

@EraKin575
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/assign

@BobyMCbobs
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BobyMCbobs commented Sep 28, 2023 •
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@EraKin575, thank you, though I've already assigned myself to this and am working on it.

@BobyMCbobs BobyMCbobs mentioned this issue Sep 28, 2023
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feat: improve dockerfile verify subcommand BobyMCbobs/sigstore-cosign
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@BobyMCbobs @EraKin575