builder/docker: Small doc update

- Correcting docs about communicator for Docker
- Clarifying that the docker builder will not work with remote hosts.
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Rickard von Essen 2018-03-08 13:56:34 +01:00
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@ -24,9 +24,11 @@ has a simple mental model: you provision containers much the same way you
provision a normal virtualized or dedicated server. For more information, read
the section on [Dockerfiles](#dockerfiles).
The Docker builder must run on a machine that has Docker installed. Therefore
the builder only works on machines that support Docker. You can learn about
what [platforms Docker supports and how to install onto them](https://docs.docker.com/engine/installation/) in the Docker documentation.
The Docker builder must run on a machine that has Docker Engine installed.
Therefore the builder only works on machines that support Docker and _does not
support running on a Docker remote host_. You can learn about what
[platforms Docker supports and how to install onto them](https://docs.docker.com/engine/installation/)
in the Docker documentation.
## Basic Example: Export
@ -125,9 +127,8 @@ Configuration options are organized below into two categories: required and
optional. Within each category, the available options are alphabetized and
described.
In addition to the options listed here, a
[communicator](/docs/templates/communicator.html) can be configured for this
builder.
The Docker builder uses a special Docker communicator _and will not use_ the
standard [communicators](/docs/templates/communicator.html).
### Required: