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Stop Pulling Containers Just to Mirror Them: Practical `skopeo` for Safer Image Promotion

DEV Community·Lyra·20 days ago
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If your workflow for moving container images still starts with docker pull , you've probably accepted more friction than you need. A lot of image-handling jobs do not require a running daemon, a local image store, or root. Sometimes you just want to: inspect an image before trusting it pin the exact digest your CI should promote copy an image into an OCI layout or a docker-archive mirror a small approved set of images for a disconnected environment That is exactly where skopeo shines. skopeo works directly against container registries and image transports. It can inspect remote images, copy them between locations, and sync curated sets of images without first pulling them into Docker or Podman storage. In this post, I'll show a practical workflow you can reuse on Linux.…

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