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README.md
Docker Documentation
The source for Docker documentation is here under sources/
and uses extended
Markdown, as implemented by MkDocs.
The HTML files are built and hosted on https://docs.docker.com
, and update
automatically after each change to the master or release branch of Docker on
GitHub thanks to post-commit hooks. The
docs
branch maps to the "latest" documentation and the master
(unreleased
development) branch maps to the "master" documentation.
Branches
There are two branches related to editing docs: master
and a docs
branch. You should always edit documentation on a local branch of the master
branch, and send a PR against master
.
That way your fixes will automatically get included in later releases, and docs
maintainers can easily cherry-pick your changes into the docs
release branch.
In the rare case where your change is not forward-compatible, you may need to
base your changes on the docs
branch.
Also, now that we have a docs
branch, we can keep the
http://docs.docker.com docs up to date with any bugs
found between Docker code releases.
Warning: When reading the docs, the
http://docs-stage.docker.com documentation may
include features not yet part of any official Docker release. The beta-docs
site should be used only for understanding bleeding-edge development and
docs.docker.com
(which points to the docs
branch`) should be used for the
latest official release.
Contributing
- Follow the contribution guidelines (see
../CONTRIBUTING.md
). - Remember to sign your work!
Getting Started
Docker documentation builds are done in a Docker container, which installs all
the required tools, adds the local docs/
directory and builds the HTML docs.
It then starts a HTTP server on port 8000 so that you can connect and see your
changes.
In the root of the docker
source directory:
make docs
If you have any issues you need to debug, you can use make docs-shell
and then
run mkdocs serve
Style guide
The documentation is written with paragraphs wrapped at 80 column lines to make it easier for terminal use.
Examples
When writing examples, give the user hints by making them resemble what they see in their shell:
- Indent shell examples by 4 spaces so they get rendered as code.
- Start typed commands with
$
(dollar space), so that they are easily differentiated from program output. - Program output has no prefix.
- Comments begin with
#
(hash space). - In-container shell commands begin with
$$
(dollar dollar space).
Images
When you need to add images, try to make them as small as possible (e.g., as
gifs). Usually images should go in the same directory as the .md
file which
references them, or in a subdirectory if one already exists.
Working using GitHub's file editor
Alternatively, for small changes and typos you might want to use GitHub's built- in file editor. It allows you to preview your changes right on-line (though there can be some differences between GitHub Markdown and MkDocs Markdown). Just be careful not to create many commits. And you must still sign your work!
Publishing Documentation
To publish a copy of the documentation you need a docs/awsconfig
file containing AWS settings to deploy to. The release script will
create an s3 if needed, and will then push the files to it.
[profile dowideit-docs] aws_access_key_id = IHOIUAHSIDH234rwf....
aws_secret_access_key = OIUYSADJHLKUHQWIUHE...... region = ap-southeast-2
The profile
name must be the same as the name of the bucket you are deploying
to - which you call from the docker
directory:
make AWS_S3_BUCKET=dowideit-docs docs-release