Add --push and --load support to build cmd #367
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Turns out --push flag was simply a rehashing of buildkit output attributes between existing command arguments plus the type=image and push=true buildkit ones. In the other hand --load became a mere dummy parameter since img simulates a docker registry through its own implementation. The --output=type=registry is a wash, since the user STILL needs to pass all the buildkit args within the output string. Signed-off-by: Jonnatan Jossemar Cordero <[email protected]>
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Problem statement
I found myself in the situation where I needed to give my users a migration path from
imgtodocker + buildkit, which roughly translates into adding support to the--push,--loadand--output=type=registryflags.I'm well aware this project is not longer maintained, as per expressed in #348; however, I wanted to put this PR out there in case someone else stumbles with a similar situation.
Changeset Description
In summary, this quick patch allows
imgto rehash buildkit'soutputattributes based on the new flags presence.The last statemet stands true with the only exception for the
--loadflag, which I preferred to add as a dummy one sinceimgalready simulates a docker registry through its own implementation. However, if we need a fully complaint solution I would suggest to incoporate #327 first, then add the proper behavior to this flag (dump resultingtarin STDOUT and pipe it again through STDIN as separate process).