It requires proper understanding of warehouse / mirror / container these concepts
Docker itself is referred to as a carrier or container management engine running. We depend on the application and configuration of the operating environment packed form a deliverable, this would seem to pack a good operating environment image image file. Only through this image file to generate Docker containers. image files can be seen as a template container. Docker The image examples of containers makefile. The same image file, the container may generate a plurality of instances running simultaneously.
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image container file generated instance, a file itself, called image file
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A container to run a service, when we need to, you can docker create a running instance of the corresponding client, that is, our vessel
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As for storage , is put a bunch of local mirror, we can publish to mirror storage, the time needed to pull down from the warehouse in it.