This section provides an overview of the Cloud Native Buildpack API specification. Most buildpack users won’t need this information unless they are writing a buildpack or a platform that supports buildpacks.

Reproducible Builds

The Cloud Native Buildpacks project aims to create “Reproducible Builds” of container images. For image creation commands (create-builder, package-buildpack, build) pack creates container images in a reproducible fashion. “Reproducible” is hard to define but we’ll do so by example and with a few caveats: