Automating host deployment
There are many ways to automate the deployment of Docker hosts. The specifics, as always, depend on the orchestration system. For example, adding new hosts to a Docker Swarm cluster running on Amazon EC2 is as easy as running something like the following:
$ docker-machine create --driver amazonec2 $ docker swarm join --token ABC... manager
For Azure or GCE, it would be the same. Simply replace the driver and pass the appropriate driver specific flags to docker-machine.
This section will look at a couple of different tools that can be used to manage the hosts for a Docker cluster. The first is Terraform which works with just about everything. Next is Docker's own cloud management tool, Docker Cloud. Finally, it will introduce ...
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