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@ -6,79 +6,78 @@ page_keywords: docker, introduction, documentation, about, technology, understan
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**Develop, Ship and Run Any Application, Anywhere**
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[**Docker**](https://www.docker.io) is a platform for developers and
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sysadmins to develop, ship, and run applications. Docker consists of:
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[**Docker**](https://www.docker.io) is a platform for developers and sysadmins
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to develop, ship, and run applications. Docker lets you quickly assemble
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applications from components and eliminates the friction that can come when
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shipping code. Docker lets you get your code tested and deployed into production
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as fast as possible.
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Docker consists of:
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* The Docker Engine - our lightweight and powerful open source container
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virtualization technology combined with a work flow to help you build
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and containerize your applications.
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* [Docker.io](https://index.docker.io) - our SAAS service that helps you
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share and manage your applications stacks.
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Docker enables applications to be quickly assembled from components and
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eliminates the friction when shipping code. We want to help you get code
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from your desktop, tested and deployed into production as fast as
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possible.
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virtualization technology combined with a work flow for building
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and containerizing your applications.
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* [Docker.io](https://index.docker.io) - our SAAS service for
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sharing and managing your application stacks.
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## Why Docker?
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- **Faster delivery of your applications**
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* We want to help your environment work better. Docker containers,
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and the work flow that comes with them, helps your developers,
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sysadmins, QA folks, and release engineers work together to get code
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into production and doing something useful. We've created a standard
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container format that allows developers to care about their applications
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inside containers and sysadmins and operators to care about running the
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container. This creates a separation of duties that makes managing and
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deploying code much easier and much more streamlined.
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* We want your environment to work better. Docker containers,
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and the work flow that comes with them, help your developers,
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sysadmins, QA folks, and release engineers work together to get your code
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into production and make it useful. We've created a standard
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container format that lets developers care about their applications
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inside containers while sysadmins and operators can work on running the
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container in your deployment. This separation of duties streamlines and
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simplifies the management and deployment of code.
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* We make it easy to build new containers, enable rapid iteration of
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your applications and increase the visibility of changes. This
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your applications, and increase the visibility of changes. This
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helps everyone in your organization understand how an application works
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and how it is built.
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* Docker containers are lightweight and fast! Containers have
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sub-second launch times! With containers you can reduce the cycle
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time in development, testing and deployment.
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sub-second launch times, reducing the cycle
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time of development, testing, and deployment.
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- **Deploy and scale more easily**
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* Docker containers run (almost!) everywhere. You can deploy your
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containers on desktops, physical servers, virtual machines, into
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data centers and to public and private clouds.
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* As Docker runs on so many platforms it makes it easy to move your
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data centers, and up to public and private clouds.
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* Since Docker runs on so many platforms, it's easy to move your
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appications around. You can easily move an application from a
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testing environment into the cloud and back whenever you need.
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* The lightweight containers Docker creates also making scaling and
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down really fast and easy. If you need more containers you can
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quickly launch them and then shut them down when you don't need them
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anymore.
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* Docker's lightweight containers Docker also make scaling up and
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down fast and easy. You can quickly launch more containers when
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needed and then shut them down easily when they're no longer needed.
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- **Get higher density and run more workloads**
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* Docker containers don't need a hypervisor so you can pack more of
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* Docker containers don't need a hypervisor, so you can pack more of
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them onto your hosts. This means you get more value out of every
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server and can potentially reduce the money you spend on equipment and
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licenses!
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server and can potentially reduce what you spend on equipment and
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licenses.
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- **Faster deployment makes for easier management**
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* As Docker speeds up your work flow it makes it easier to make lots
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of little changes instead of huge, big bang updates. Smaller
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changes mean smaller risks and mean more uptime!
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* As Docker speeds up your work flow, it gets easier to make lots
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of small changes instead of huge, big bang updates. Smaller
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changes mean reduced risk and more uptime.
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## About this guide
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First we'll show you [what makes Docker tick in our Understanding Docker
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section](introduction/understanding-docker.md):
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First, the [Understanding Docker
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section](introduction/understanding-docker.md) will help you:
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- You will find see how Docker works at a high level;
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- The architecture of Docker;
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- See how Docker works at a high level
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- Understand the architecture of Docker
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- Discover Docker's features;
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- See how Docker compares to virtual machines;
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- And see some common use cases.
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- See how Docker compares to virtual machines
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- See some common use cases.
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> [Click here to go to the Understanding
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> Docker section](introduction/understanding-docker.md).
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### Installation Guides
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Then we'll learn how to install Docker on a variety of platforms in our
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Next, we'll show you how to install Docker on a variety of platforms in the
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[installation](/installation/#installation) section.
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> [Click here to go to the Installation
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@ -86,7 +85,9 @@ Then we'll learn how to install Docker on a variety of platforms in our
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### Docker User Guide
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Once you've gotten Docker installed we recommend you step through our [Docker User Guide](/userguide/), which will give you an in depth introduction to Docker.
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Once you've gotten Docker installed we recommend you work through the
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[Docker User Guide](/userguide/), to learn about Docker in more detail and
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answer questions about usage and implementation.
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> [Click here to go to the Docker User Guide](/userguide/).
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