clarify discovery service information

- specify that we need to use a discovery service
 - indicate which specific discovery service we are using for this example
 - describe the token discovery service as hosted at Docker Hub
 - link to other available discovery services in the docs

Signed-off-by: Morgan Bauer <mbauer@us.ibm.com>
This commit is contained in:
Morgan Bauer 2015-08-28 15:23:57 -07:00
parent b154ccb585
commit 6d8fea0664
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1 changed files with 6 additions and 3 deletions

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@ -33,9 +33,12 @@ Docker Machine gets hosts ready to run Docker containers. Each node in your
Docker Swarm must have access to Docker to pull images and run them in Docker Swarm must have access to Docker to pull images and run them in
containers. Docker Machine manages all this provisioning for your swarm. containers. Docker Machine manages all this provisioning for your swarm.
Before you create a swarm with `docker-machine`, you create a discovery token. Before you create a swarm with `docker-machine`, you associate each
Docker Swarm uses tokens for discovery and agent registration. Using this token, node with a discovery service. This example uses the token discovery
you can create a swarm that is secured. service hosted by Docker Hub. This discovery service associates a
token with instances of the Docker Daemon running on each node. Other
discovery service backends such as `etcd`, `consul`, and `zookeeper`
are [available](/discovery).
1. List the machines on your system. 1. List the machines on your system.