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moby--moby/experimental/plugins.md
Michael Bridgen f05e503aec Mention network driver plugins and point to protocol docs
Signed-off-by: Michael Bridgen <mikeb@squaremobius.net>
Signed-off-by: Tom Denham <tom.denham@metaswitch.com>
2015-06-29 19:08:23 +01:00

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# Experimental: Extend Docker with a plugin
You can extend the capabilities of the Docker Engine by loading third-party
plugins.
This is an experimental feature. For information on installing and using experimental features, see [the experimental feature overview](README.md).
## Types of plugins
Plugins extend Docker's functionality. They come in specific types. For
example, a [volume plugin](/experimental/plugins_volume.md) might enable Docker
volumes to persist across multiple Docker hosts.
Currently Docker supports volume and network driver plugins. In the future it
will support additional plugin types.
## Installing a plugin
Follow the instructions in the plugin's documentation.
## Finding a plugin
The following plugins exist:
* The [Flocker plugin](https://clusterhq.com/docker-plugin/) is a volume plugin
which provides multi-host portable volumes for Docker, enabling you to run
databases and other stateful containers and move them around across a cluster
of machines.
* The [Weave plugin](https://github.com/weaveworks/docker-plugin) is a network
driver plugin which provides a virtual, multi-host network for containers.
* The [Calico plugin](https://github.com/metaswitch/calico-docker) is a network
driver plugin which provides a multi-host network for containers with routes
distributed by BGP.
## Troubleshooting a plugin
If you are having problems with Docker after loading a plugin, ask the authors
of the plugin for help. The Docker team may not be able to assist you.
## Writing a plugin
If you are interested in writing a plugin for Docker, or seeing how they work
under the hood, see the [docker plugins reference](/experimental/plugin_api.md).
# Related GitHub PRs and issues
- [#13222](https://github.com/docker/docker/pull/13222) Plugins plumbing
Send us feedback and comments on [#13419](https://github.com/docker/docker/issues/13419),
or on the usual Google Groups (docker-user, docker-dev) and IRC channels.