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OCI Registry Explorer
This beautiful tool allows you to explore the contents of a registry interactively. You can even drill down into layers to explore an image's filesystem.
To avoid paying for egress, I limit the amount of data that I'll serve directly and instead give you a command you can run on your own machine. Browsing the filesystem just uses that index, and opening a file uses Range requests to load small chunks of the layer as needed. Since I only have to download the whole layer once, this actually reduces traffic to the registry in a lot of cases, e.g. if you share a link with someone rather than having them pull the whole image on their machine.
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