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What is Hangar?

Hangar is a command line utility for container images with following features:

  • Multi-platform container images
  • Copy container images between registry servers.
  • Export container images as archive files and import them into image repositories.
  • Sign container images with sigstore key-pairs.
  • Scan container image vulnerabilities.

Why use hangar?

  • Hangar does not require any container runtime (daemon) to copy container images.
  • Hangar is cross-platform and works in all Unix-like operating systems.
  • Hangar supports both docker images and OCI images.
  • Hangar supports copying/saving/loading/signing/scanning images in parallel to increase speed.
  • Hanagr is designed to export container images as archive files and import them into image repositories in Air-Gapped environments.

Getting started

The getting started instruction of Hangar is available in documentation.

Contributing

Hangar is open-source and any issues or pull requests are welcomed if you have any suggestions while using Hangar.