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Table of contents

Handbook

- Start here
- Meetings

- Story
- Team
- Investors

- Strategy overview
- Business model
- Objectives
- Roadmap
- Brand

- Culture
- Values
- Small teams
- Goal setting
- Diversity and inclusion
- Communication
- Management
- Offsites
- Security
- Brand assets

- Team structure
- Customer Success
- Exec
- Experimentation
- Growth
- Infrastructure
- Marketing
- People & Ops
- Pipeline
- Product Analytics
- Session Recording
- Website & Docs

- Compensation
- Share options
- Benefits
- Time off
- Spending money
- Progression
- Training
- Side gigs
- Feedback
- Onboarding
- Offboarding
- - Product Manager ramp up
- Merch store
- - Overview
  - How to interview
  - Engineering hiring
  - Marketing hiring
  - Operations hiring
  - Design hiring
  - Exec hiring

- - Developing locally
  - Tech stack
  - Project structure
  - How we review PRs
- - Frontend coding
  - Backend coding
- - Support hero
  - Feature ownership
  - Working with product design
  - Releasing a new version
  - Handling incidents
  - Bug prioritization
- - Event ingestion explained
  - Making schema changes safely
  - How to optimize queries
  - How to write an async migration
  - How to run migrations on PostHog Cloud
  - Working with ClickHouse materialized columns
- - Deployments support
  - Working with cloud providers
  - How-to access PostHog Cloud infra
- - Developing the website
  - MDX setup
  - Markdown
  - Jobs
- - Overview
  - Data storage or what is a MergeTree
  - Data replication
  - Data ingestion
  - Working with JSON
  - Query performance
  - Operations
  - Overview
    sharded_events
    app_metrics
    person_distinct_id
- Shipping things, step by step
- Feature flags specification
- Setting up SSL locally
- Tech talks

- Overview
- Product metrics
- User feedback
- Paid features
- Releasing as beta

- Our philosophy
- Product design process
- Designing posthog.com

- Overview
- Personas
- Testimonials
- Value propositions
- - Content & SEO
  - Sponsorship
  - Paid ads
  - Email
  - Press

- Growth strategy
- Customer support
- Inbound sales model
- Sales operations
  - Managing our CRM
  - YC onboarding
  - Demos
  - Billing
  - Who we do business with

- Growth reviews

Table of contents

Handbook

- Start here
- Meetings

- Story
- Team
- Investors

- Strategy overview
- Business model
- Objectives
- Roadmap
- Brand

- Culture
- Values
- Small teams
- Goal setting
- Diversity and inclusion
- Communication
- Management
- Offsites
- Security
- Brand assets

- Team structure
- Customer Success
- Exec
- Experimentation
- Growth
- Infrastructure
- Marketing
- People & Ops
- Pipeline
- Product Analytics
- Session Recording
- Website & Docs

- Compensation
- Share options
- Benefits
- Time off
- Spending money
- Progression
- Training
- Side gigs
- Feedback
- Onboarding
- Offboarding
- - Product Manager ramp up
- Merch store
- - Overview
  - How to interview
  - Engineering hiring
  - Marketing hiring
  - Operations hiring
  - Design hiring
  - Exec hiring

- - Developing locally
  - Tech stack
  - Project structure
  - How we review PRs
- - Frontend coding
  - Backend coding
- - Support hero
  - Feature ownership
  - Working with product design
  - Releasing a new version
  - Handling incidents
  - Bug prioritization
- - Event ingestion explained
  - Making schema changes safely
  - How to optimize queries
  - How to write an async migration
  - How to run migrations on PostHog Cloud
  - Working with ClickHouse materialized columns
- - Deployments support
  - Working with cloud providers
  - How-to access PostHog Cloud infra
- - Developing the website
  - MDX setup
  - Markdown
  - Jobs
- - Overview
  - Data storage or what is a MergeTree
  - Data replication
  - Data ingestion
  - Working with JSON
  - Query performance
  - Operations
  - Overview
    sharded_events
    app_metrics
    person_distinct_id
- Shipping things, step by step
- Feature flags specification
- Setting up SSL locally
- Tech talks

- Overview
- Product metrics
- User feedback
- Paid features
- Releasing as beta

- Our philosophy
- Product design process
- Designing posthog.com

- Overview
- Personas
- Testimonials
- Value propositions
- - Content & SEO
  - Sponsorship
  - Paid ads
  - Email
  - Press

- Growth strategy
- Customer support
- Inbound sales model
- Sales operations
  - Managing our CRM
  - YC onboarding
  - Demos
  - Billing
  - Who we do business with

- Growth reviews

Handbook
Engineering
Getting started
Tech stack

Tech stack

Last updated: Mar 15, 2022

On this page

Frontend
Backend
Testing
Additional tools

Note: This page refers to our main product repository, not our website.

Frontend

Web framework/library: React
State management: Redux + Kea
Layout/components: Ant Design

Backend

Framework: Django
Databases: PostgreSQL and ClickHouse
Task queue/event streaming: Redis and Apache Kafka
Task Worker: Celery

Testing

Frontend E2E tests: Cypress
Backend tests: Pytest and Django's built-in test suite

Additional tools

Application monitoring: Sentry
CI/CD: GitHub Actions
Containerization: Docker and Docker Compose
Linter (frontend): ESLint
Formatter (backend): Black

Questions?

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Project structure

Note: This page refers to our main product repository , not our website. Directory tree .github Directory for our GitHub actions and templates for issues and pull requests. .platform Scripts for deploying to Platform.sh. bin Executable shell scripts for various purposes, most notably building, testing, and running PostHog. cypress Hosts our Cypress tests. When writing tests that use Cypress, you will mostly be working on the integration/ subdirectory. Remember that you should always be…

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Michael Matloka

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