An image is built. The building of an image includes selecting an image to be built, performing a hashing function on the image to produce a checksum, querying a registry for an existing image including the same checksum, and if no existing image including the same checksum is found, acquiring a parent image for the image to be built, building the image to produce a built image, adding the checksum for the image to the built image, and storing the built image in the registry.
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