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Cloud Native Buildpacks Pack
What it is
Cloud Native Buildpacks Pack is a CLI tool for building applications with buildpacks and rebasing images created through that process. It is also available as a Go library. Buildpacks turn application source code into container images designed to run on any cloud. Listed capabilities include caching, automatic source detection, modular buildpacks, support for multiple languages and processes, minimal images, reproducible builds, and reuse of community buildpacks. Pack can produce build-time software bills of materials in CycloneDX, SPDX, and Syft JSON formats. The CLI is available for Linux, macOS, and Windows, with package-manager, container-image, script, and manual installation options. Builds need a containerized environment and a daemon such as Docker or Podman; some setups may require access to the local Docker socket. Documented integrations include CircleCI, GitLab Auto DevOps, and a Tekton reference task. The project also describes kpack for Kubernetes-based builds and image updates. Pack is Apache-2.0 licensed and free, with no paid plans listed.
For and against
For
- Available as both a CLI and Go library
- Supports multiple languages and processes
- Generates SBOMs in three listed formats
- Builds can use multiple cache backends
- Free, with no paid plans listed
Against
- Builds require a containerized environment and daemon
- Some environments may require mounting the Docker socket
The verdict
Pack covers buildpack image creation and rebasing, with CLI and library options and documented integrations. Its local builds depend on a container runtime daemon.
Who it suits
Pack suits developers and teams building container images with buildpacks, including those working across Linux, macOS, or Windows. Its Go library and documented integrations may also suit teams embedding or automating buildpack workflows.
Plans and prices
Pack
No paid plans listed; free CLI and Go library
Read 2 Oct 2026 · buildpacks.io
On the record
- Build and rebase
- Pack can build applications using buildpacks and rebase application images created with buildpacks.buildpacks.io · read 2 Oct 2026
- Build output
- Cloud Native Buildpacks transform application source code into container images that can run on any cloud.buildpacks.io · read 2 Oct 2026
- Docker socket
- The installation docs say some container environments may require mounting the local Docker daemon socket.buildpacks.io · read 2 Oct 2026
- Features
- Listed features include caching, source auto-detection, modular buildpacks, multiple languages and processes, minimal images, rebasing, reproducibility and reuse of community buildpacks.buildpacks.io · read 2 Oct 2026
- Install options
- The CLI is listed for Linux, macOS and Windows, with package-manager, container-image, script and manual installation options.buildpacks.io · read 2 Oct 2026
- Integrations
- The project documents a CircleCI orb for running pack commands, GitLab Auto DevOps use of pack, and a Tekton reference task for builds.buildpacks.io · read 2 Oct 2026
- Kubernetes
- The docs describe kpack as a Kubernetes-native platform that uses unprivileged Kubernetes primitives for buildpack builds and image updates.buildpacks.io · read 2 Oct 2026
- Library
- Pack is available both as a command-line interface and as a Go library.buildpacks.io · read 2 Oct 2026
- License
- The project is described as an Apache-2.0 licensed project.buildpacks.io · read 2 Oct 2026
- Purpose
- Pack is a CLI tool maintained by the Cloud Native Buildpacks project to support the use of buildpacks.buildpacks.io · read 2 Oct 2026
- Runtime requirement
- Buildpacks run in a containerized environment, and Pack uses a daemon such as Docker or Podman to create build containers.buildpacks.io · read 2 Oct 2026
- SBOM
- The project lists build-time software bills of materials in CycloneDX, SPDX and Syft JSON formats.buildpacks.io · read 2 Oct 2026
- Security and maturity
- The project reports CNCF graduation on 11 August 2026 following a third-party security audit, an OpenSSF Best Practices badge and adoption of the CNCF Code of Conduct.buildpacks.io · read 2 Oct 2026
- Support
- The project identifies CNCF Slack #buildpacks and its mailing list as contact channels for the team.buildpacks.io · read 2 Oct 2026
