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moby--moby/docs/userguide/intro.md
Misty Stanley-Jones 5c4c062ffc Restructure content about Docker object labels 
A few points of work:

- Took the topic out of the left-hand nav and made it
  reachable from the User guide intro

- Condensed the topic's contents, presenting only conceptual
  info and pointing instead to the command-line references
  for each type of object

- Added brief information about the `LABELS` keyword to the
  Dockerfile reference

A big part of the point is to establish a pattern of
thinking and use around how Docker uses labels and what they
mean in different contexts.

Signed-off-by: Misty Stanley-Jones <misty@docker.com>
2016-09-21 13:20:32 -07:00

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Engine user guide

This guide takes you through the fundamentals of using Docker Engine and integrating it into your environment. You'll learn how to use Engine to:

  • Dockerize your applications.
  • Run your own containers.
  • Build Docker images.
  • Share your Docker images with others.
  • And a whole lot more!

This guide is broken into major sections that take you through learning the basics of Docker Engine and the other Docker products that support it.

Dockerizing applications: A "Hello world"

How do I run applications inside containers?

Docker Engine offers a containerization platform to power your applications. To learn how to Dockerize applications and run them:

Go to Dockerizing Applications.

Working with containers

How do I manage my containers?

Once you get a grip on running your applications in Docker containers, you'll learn how to manage those containers. To find out about how to inspect, monitor and manage containers:

Go to Working with Containers.

Working with Docker images

How can I access, share and build my own images?

Once you've learnt how to use Docker it's time to take the next step and learn how to build your own application images with Docker.

Go to Working with Docker Images.

Networking containers

Until now we've seen how to build individual applications inside Docker containers. Now learn how to build whole application stacks with Docker networking.

Go to Networking Containers.

Managing data in containers

Now we know how to link Docker containers together the next step is learning how to manage data, volumes and mounts inside our containers.

Go to Managing Data in Containers.

Managing metadata (labels) for Docker objects

Labels are a mechanism for applying metadata to Docker objects, including:

  • Images
  • Containers
  • Local daemons
  • Volumes
  • Networks
  • Swarm nodes
  • Swarm services

You can use labels to organize your images, record licensing information, annotate relationships between containers, volumes, and networks, or in any way that makes sense for your business or application.

Go to Managing Docker object labels.

Docker products that complement Engine

Often, one powerful technology spawns many other inventions that make that easier to get to, easier to use, and more powerful. These spawned things share one common characteristic: they augment the central technology. The following Docker products expand on the core Docker Engine functions.

Docker Hub

Docker Hub is the central hub for Docker. It hosts public Docker images and provides services to help you build and manage your Docker environment. To learn more:

Go to Using Docker Hub.

Docker Machine

Docker Machine helps you get Docker Engines up and running quickly. Machine can set up hosts for Docker Engines on your computer, on cloud providers, and/or in your data center, and then configure your Docker client to securely talk to them.

Go to Docker Machine user guide.

Docker Compose

Docker Compose allows you to define an application's components -- their containers, configuration, links and volumes -- in a single file. Then a single command will set everything up and start your application running.

Go to Docker Compose user guide.

Docker Swarm

Docker Swarm pools several Docker Engines together and exposes them as a single virtual Docker Engine. It serves the standard Docker API, so any tool that already works with Docker can now transparently scale up to multiple hosts.

Go to Docker Swarm user guide.

Getting help