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Writing a New Topic

This page shows how to create a new topic for the Kubernetes docs.

Before you begin

Create a fork of the Kubernetes documentation repository as described in Creating a Documentation Pull Request.

Choosing a page type

As you prepare to write a new topic, think about which of these page types is the best fit for your content:

Task A task page shows how to do a single thing, typically by giving a short sequence of steps. Task pages have minimal explanation, but often provide links to conceptual topics that provide related background and knowledge.
Tutorial A tutorial page shows how to accomplish a goal that is larger than a single task. Typically a tutorial page has several sections, each of which has a sequence of steps. For example, a tutorial might provide a walkthrough of a code sample that illustrates a certain feature of Kubernetes. Tutorials can include surface-level explanations, but should link to related concept topics for deep explanations.
Concept A concept page explains some aspect of Kubernetes. For example, a concept page might describe the Kubernetes Deployment object and explain the role it plays as an application is deployed, scaled, and updated. Typically, concept pages don't include sequences of steps, but instead provide links to tasks or tutorials.

Each page type has a template that you can use as you write your topic. Using templates helps ensure consistency among topics of a given type.

Choosing a title and filename

Choose a title that has the keywords you want search engines to find. Create a filename that uses the words in your title separated by hyphens. For example, the topic with title Using an HTTP Proxy to Access the Kubernetes API has filename http-proxy-access-api.md. You don’t need to put “kubernetes” in the filename, because “kubernetes” is already in the URL for the topic, for example:

   http://kubernetes.io/docs/tasks/access-kubernetes-api/http-proxy-access-api/

Adding the topic title to the front matter

In your topic, put a title field in the front matter. The front matter is the YAML block that is between the triple-dashed lines at the top of the page. Here’s an example:

---
title: Using an HTTP Proxy to Access the Kubernetes API
---

Choosing a directory

Depending on your page type, put your new file in a subdirectory of one of these:

You can put your file in an existing subdirectory, or you can create a new subdirectory.

Creating an entry in the table of contents

Depending page type, create an entry in one of these files:

Here’s an example of an entry in /_data/tasks.yaml:

- docs/tasks/configure-pod-container/configure-volume-storage.md

Including code from another file

To include a code file in your topic, place the code file in the Kubernetes documentation repository, preferably in the same directory as your topic file. In your topic file, use the include tag:

{% include code.html language="<LEXERVALUE>" file="<RELATIVEPATH>" ghlink="/<PATHFROMROOT>" %}

where:

Here’s an example of using the include tag:

{% include code.html language="yaml" file="gce-volume.yaml" ghlink="/docs/tutorials/stateful-application/gce-volume.yaml" %}

Showing how to create an API object from a configuration file

If you need to show the reader how to create an API object based on a configuration file, place the configuration file in the Kubernetes documentation repository, preferably in the same directory as your topic file.

In your topic, show this command:

kubectl create -f http://k8s.io/<PATHFROMROOT>

where <PATHFROMROOT> is the path to the configuration file relative to root, for example, docs/tutorials/stateful-application/gce-volume.yaml.

Here’s an example of a command that creates an API object from a configuration file:

kubectl create -f http://k8s.io/docs/tutorials/stateful-application/gce-volume.yaml

For an example of a topic that uses this technique, see Running a Single-Instance Stateful Application.

Adding images to a topic

Put image files in the /images directory. The preferred image format is SVG.

What’s next

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