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PostHog.com - Website, docs, blog, and handbook

<p align="center"> <a href='http://makeapullrequest.com'><img alt='PRs Welcome' src='https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=shields'/></a> <img alt="GitHub contributors" src="https://img.shields.io/github/contributors/posthog/posthog.com"/> <a href='https://posthog.com/community'><img alt="Join Community" src="https://img.shields.io/badge/community-join-blue"/></a> <img alt="GitHub commit activity" src="https://img.shields.io/github/commit-activity/m/posthog/posthog.com"/> <img alt="GitHub closed pull requests" src="https://img.shields.io/github/issues-pr-closed/posthog/posthog.com"/> </p> <p align="center"> <a href="https://app.posthog.com/home#supportModal">Support</a> - <a href="https://posthog.com/roadmap">Roadmap</a> - <a href="https://github.com/PostHog/posthog.com/issues/new">Open an issue</a> - <a href="https://github.com/PostHog/posthog.com/blob/master/STYLEGUIDE.md">Style guide</a> </p>

This is the repository for the PostHog website. We treat it like a product. It contains:

• All of our written content and visuals including product features, manuals, docs, blogs, case studies, tutorials, and the handbook
• Features like questions and answers (using Squeak!), job listings (using Ashby), pricing calculator, roadmap, API docs, and more
• All the components, templates, logic, and styling to make this work, look pretty, and spark joy

Table of contents

• Quick start
• Advanced setup
• Contributing

Quick start

AGENTS.md is equipped with instructions for the most fundamental parts of running the app.

If you find places where current documentation is lacking, email cory@posthog.com with the subject, "AGENTS.md".

1. Pre-installation

   Install Node (version 22) - if you installed Node using nvm, you can run nvm use to automatically switch to the correct version.

   Install pnpm. The easiest way to do this is via corepack use pnpm@latest-10.

2. Start developing

   Clone the repo and navigate into your new site’s directory:

   git clone git@github.com:PostHog/posthog.com.git && cd posthog.com/
   

   If you're using an Apple Silicon Mac (M1 or later) you'll need to run the following commands:

   rm -rf ./node_modules
   brew install vips
   

   Then install the site dependencies, and start it up:

   pnpm install
   pnpm start
   

   Tip: Seeing a discrepancy between local development and staging/production? Preview the production build locally by running gatsby build && gatsby serve

3. Open the source code and start editing!

   Your site is now running at http://localhost:8001!

   Note: You'll also see a second link: http://localhost:8001/___graphql. This is a tool you can use to experiment with querying your data. Learn more about using this tool in the Gatsby tutorial.

See full instructions on developing PostHog.com locally in our manual.

Advanced setup

Debugging errors on start

1. Pull the latest changes from master
2. Run pnpm clean && mkdir .cache & pnpm start or delete node_modules and .cache
3. Make sure you're not in an activated flox environment for a different project
4. Check builds are passing in deployment to Vercel

Working on /docs/api?

The site will load the API schema from US Cloud by default. You can override this to use your local PostHog instance with an env var:

POSTHOG_OPEN_API_SPEC_URL="http://127.0.0.1:8000/api/schema/" pnpm start

Want Ashby job listings or GitHub contributors to load?

You’ll need to set environment variables for these. See (private) instructions for this.

Developing the posts section

To see your local version of the posts section, /posts needs to be visited directly (http://localhost:8001/posts)

Developing the merch store

Additional environment variables are needed to develop the merch store:

• SHOPIFY_APP_PASSWORD
• GATSBY_MYSHOPIFY_URL
• GATSBY_SHOPIFY_STOREFRONT_TOKEN

Currently, these environment variables are excluded from Vercel preview builds to disable merch store node creation and speed up build times on non-merch related PRs.

Dynamic open graph images

To develop a dynamic open graph image:

1. Run pnpm build with both the ASHBY_API_KEY and GITHUB_API_KEY set.
2. In gatsby/onPostBuild.ts, temporarily comment out the following:

   if (process.env.VERCEL_GIT_COMMIT_REF !== 'master') return
   

3. Find the generated open graph image in public/og-images/

Contributing

We <3 contributions big and small. In priority order (although everything is appreciated) with the most helpful first:

• Ask a question in our community
• Submit bug reports and give us feedback in the app!
• Vote on features or get early access to beta functionality in our roadmap
• Open a PR
  • Read our instructions above on developing PostHog.com locally
  • Read more detailed instructions in our manual
  • For basic edits, go to the file in GitHub and click the edit button (pencil icon)
• Open an issue or content idea