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Intermediate

Container

Also: containers, Docker

In plain words

A packaged-up program with everything it needs, so it runs the same way on any computer.

The fuller definition

A container packages an application and dependencies into an isolated process environment, typically sharing the host operating-system kernel.

How it fits together
  1. Image

    Packaged application

  2. Container

    Running instance

  3. Volume

    Persisted data outside its lifecycle

A simplified relationship, not a screenshot or a complete design.

A concrete example

A model-serving application runs in a container with a declared data volume and network configuration.

The distinction that matters

A container is not the same as a virtual machine, and isolation depends on its privileges and configuration.

Related terms

Where it is taught

Understand the hardware a local model needs

Source and further reading

Docker · Containers

The definition and example are written for this library. The link gives background, official documentation or legal authority as labelled. Legal scope depends on the jurisdiction and current text; product features depend on release and settings.

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