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Merge pull request #4962 from jamtur01/docdoc 

Minor updates to the Docker builder docs to clarify Docker support
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Matthew Hooker 2017-06-05 10:16:17 -07:00 committed by GitHub
parent 7ff73a9d47 0993f24fcf
commit 63de443e33
1 changed files with 5 additions and 7 deletions
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12
website/source/docs/builders/docker.html.md
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@ -17,18 +17,16 @@ Docker. The builder starts a Docker container, runs provisioners within this
container, then exports the container for reuse or commits the image.
Packer builds Docker containers *without* the use of
[Dockerfiles](https://docs.docker.com/reference/builder/). By not using
Dockerfiles, Packer is able to provision containers with portable scripts or
[Dockerfiles](https://docs.docker.com/engine/reference/builder/). By not using
`Dockerfiles`, Packer is able to provision containers with portable scripts or
configuration management systems that are not tied to Docker in any way. It also
has a simpler mental model: you provision containers much the same way you
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 (modern Linux machines).
If you want to use Packer to build Docker containers on another platform, use
[Vagrant](https://www.vagrantup.com) to start a Linux environment, then run
Packer within that environment.
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.
## Basic Example: Export