On: Using S3 as a Container Registry

[cpuguy83]

This is what buildkit is. Granted go has the only sdk I know of, but the api is purely protobuf and highly extensible.

[cpuguy83 → cpuguy83]

For that matter, dagger (dagger.io) provides an sdk in multiple languages and gives you the full power (and then some extra on top) of buildkit.