Generic BuildKit frontend for building Buildpacks directly. Adapted from tonistiigi/buildkit-pack.
- Uses the Cloud Native Buildpacks pack CLI under the hood.
- Allows you to specify a builder and use a project descriptor to pass in build env vars.
buildctl build --frontend=gateway.v0 --opt source=lyzs90/pack --local context=. --opt build-arg:builder=cnbs/sample-builder:bionic
--opt build-arg:builder=<builder-img>