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Docker Documentation
Overview
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.io, and update automatically after each change to the master or release branch of the docker files on GitHub thanks to post-commit hooks. The "release" 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
docs 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.
Now that we have a docs
branch, we can keep the http://docs.docker.io docs
up to date with any bugs found between docker
code releases.
Warning: When reading the docs, the http://beta-docs.docker.io 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.io
(which points to the docs
branch``) should be used for the latest official release.
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 docker
source directory, run:
make docs
If you have any issues you need to debug, you can use make docs-shell
and
then run mkdocs serve
Contributing
Normal Case:
- Follow the contribution guidelines (see
../CONTRIBUTING.md
). - Remember to sign your work!
- Work in your own fork of the code, we accept pull requests.
- Change the
.md
files with your favorite editor -- try to keep the lines short (80 chars) and respect Markdown conventions. - Run
make clean docs
to clean up old files and generate new ones, or justmake docs
to update after small changes. - Your static website can now be found in the
_build
directory. - To preview what you have generated run
make server
and open http://localhost:8000/ in your favorite browser.
make clean docs
must complete without any warnings or errors.
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 online (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!
Images
When you need to add images, try to make them as small as possible (e.g. as gif). Usually images should go in the same directory as the .md file which references them, or in a subdirectory if one already exists.
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