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29 lines
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:title: Docker Documentation
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:description: An overview of the Docker Documentation
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:keywords: containers, lxc, concepts, explanation
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Introduction
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------------
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Docker is an open-source engine to easily create lightweight, portable,
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self-sufficient containers from any application. The same container that a
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developer builds and tests on a laptop can run at scale, in production, on
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VMs, bare metal, OpenStack clusters, or any major infrastructure provider.
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Common use cases for Docker include:
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- Automating the packaging and deployment of web applications.
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- Automated testing and continuous integration/deployment.
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- Deploying and scaling databases and backend services in a service-oriented environment.
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- Building custom PaaS environments, either from scratch or as an extension of off-the-shelf platforms like OpenShift or Cloud Foundry.
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Please note Docker is currently under heavy developement. It should not be used in production (yet).
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For a high-level overview of Docker, please see the `Introduction
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<http://www.docker.io/learn_more/>`_. When you're ready to start working with
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Docker, we have a `quick start <http://www.docker.io/gettingstarted>`_
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and a more in-depth guide to :ref:`ubuntu_linux` and other
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:ref:`installation_list` paths including prebuilt binaries,
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Vagrant-created VMs, Rackspace and Amazon instances.
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Enough reading! :ref:`Try it out! <running_examples>`
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