Question 1

How to copy an image from Docker Hub to a local directory with Skopeo?

Accepted Answer

Use the command 'skopeo copy docker://docker.io/library/image:tag dir:/path/to/local' to copy without a daemon, as shown in the README examples. Ensure you have authentication set up if needed.

Question 2

Skopeo vs Docker CLI for inspecting images?

Accepted Answer

Skopeo inspects remote images without pulling them, saving time and bandwidth, while Docker inspect requires local images. Skopeo is daemonless, making it lighter for registry checks.

Question 3

Can Skopeo delete images from private registries?

Accepted Answer

Yes, with proper authentication using --creds or login commands, 'skopeo delete docker://registry/image:tag' marks images for garbage collection. Refer to the authentication section for details.

Question 4

How to sync images for air-gapped deployments?

Accepted Answer

Use 'skopeo sync --src docker --dest dir registry.example.com/repo /local/path' to copy images to a local directory, as outlined in the sync examples for offline use.

Question 5

Skopeo authentication with AWS ECR?

Accepted Answer

Skopeo can use credentials from --creds flags or integrate with AWS CLI profiles. You may need to configure authentication manually, as it relies on standard container auth files.

Question 6

What's the difference between Skopeo and crane?

Accepted Answer

Both are CLI tools for image management, but Skopeo is part of the containers ecosystem with daemonless design, while crane is from Google and focuses on compatibility with their registries. Skopeo offers broader storage support.

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