feat: Add support for build-secrets #604
Open
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Enables passing of build-secrets through the 'secrets' block inside 'build'.
The feature is only available when using Buildkit.
I don't have much knowledge as to how build secrets work, but I tried to follow how buildx does it and implement it here. This feature is something that pops up as a need often at my job.
If changes need to be made, I will try to accommodate. :)
Tested by installing the provider locally, pushing the secrets into files in the Dockerfile, and verifying that the values were passed through.