What is Hangar?

Hangar is a command line utility for container images with the 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.
• Hangar 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.