Documentation

The user documentation is located at https://www.home-assistant.io. This section here is the place where we provide documentation and additional details about creating or modifying content.

The home-assistant.io website is built using Jekyll and these dependencies. The pages are written in Markdown. To add a page, you don't need to know HTML.

You can use the "Edit this page on GitHub" link to edit pages without creating a fork. Keep in mind that you can't upload images while working this way. You work on your change and propose it via a Pull Request (PR).

Once you've created a Pull Request (PR), you can see a preview of the proposed changes by clicking Details against Netlify checker in the checkers section of the PR as soon as deployment is complete.

For larger changes, we suggest that you clone the website repository. This way, you can review your changes locally. The process of working on the website is no different from working on Home Assistant itself.

To test your changes locally, you need to install Ruby and its dependencies (gems):

  • Install Ruby if you don't have it already. Ruby version 2.5.0 or higher is required.

  • Install bundler, a dependency manager for Ruby: $ gem install bundler (You might have to run this command as sudo).

  • Shortcut for Fedora: $ sudo dnf -y install gcc-c++ ruby ruby-devel rubygem-bundler rubygem-json && bundle

  • Shortcut for Debian/Ubuntu: $ sudo apt-get install ruby ruby-dev ruby-bundler ruby-json g++ zlib1g-dev && bundle

  • Fork the home-assistant.io git repository.

  • In your home-assistant.io root directory, run $ bundle to install the gems you need.

Then you can work on the documentation:

  • Run bundle exec rake generate to generate the very first preview. This will take a minute.
  • Create/edit/update a page. The integration/platforms documentation is located in source/_integrations/. source/_docs/ contains the Home Assistant documentation itself.
  • Test your changes to home-assistant.io locally: run bundle exec rake preview and navigate to http://127.0.0.1:4000. While this command is working, any changes to a file are automatically detected and will update the affected pages. You will have to manually reload them in the browser though.
  • Create a Pull Request (PR) against the next branch of home-assistant.io if your documentation is a new feature, platform, or integration.
  • Create a Pull Request (PR) against the current branch of home-assistant.io if you fix stuff, create Cookbook entries, or expand existing documentation.

The site generated by bundle exec rake is only available locally. If you are developing on a headless machine, use port forwarding:

$ ssh -L 4000:localhost:4000 [email protected]_of_headless_machine

Speeding up site generation

Every release we post long changelogs to the website. This slows down generation of the website a bit. We've include some tools to temporarily exclude integrations and blog posts that you're not working on out of the way.

bundle exec rake isolate[filename-of-blogpost-or-integration]

When you're done working on the site, run the following command to move the pages back again:

bundle exec rake integrate