Cloud Native Buildpacks, an open source technology inspired by Heroku and Cloud Foundry buildpacks and intended to unify the buildpack ecosystem, has moved to a public beta release stage. The Cloud Native Buildpacks project was begun by Heroku and Pivotal and later joined the Cloud Native Sandbox under the Cloud Native Computing Foundation.

Buildpacks provide a higher level of abstraction for building container images than a Dockerfile, Docker’s native method. Cloud Native Buildpacks were designed to provide a platform-to-buildpack API contract that takes source code and outputs Docker images to run on cloud platforms supporting OCI (Open Container Initiative) images. Cloud Native Buildpacks take advantage of standard container capabilities such as cross-repository blob mounting and image layer rebasing on Docker v2 API registries.

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