Web Analyticsdocker-ready

PostHog: the best Open Source alternative to Mixpanel in 2026

PostHog combines product analytics, session replay, feature flags, A/B testing and surveys in one self-hostable platform built for product teams.

License MIT 39.5k stars liveUpdated hoyWebsite GitHub Repository

Technical profile

License: MIT
Category: Web Analytics
Replaces: Mixpanel, Amplitude
Tech stack: DjangoReactClickHousePostgreSQL

Preview

Public image provided by PostHog on its own website.

Key features

Session replay and heatmaps
Feature flags and A/B experiments
Funnels, retention and cohorts

PostHog vs. Mixpanel

Pros

Replaces several SaaS tools at once

Things to consider

Large-scale self-hosted deployment needs more pieces (ClickHouse, Kafka)

Quick Docker installation guide

Copy this docker-compose.yml, adjust the example passwords and run docker compose up -d on your server. See the full step-by-step guide →

docker-compose.yml

version: "3.9"
services:
  posthog:
    image: posthog/posthog:latest
    restart: unless-stopped
    ports:
      - "8000:8000"
    environment:
      - DATABASE_URL=postgres://posthog:posthog@posthog-db:5432/posthog
      - SECRET_KEY=change-me-super-secret
      - REDIS_URL=redis://posthog-redis:6379
    depends_on:
      - posthog-db
      - posthog-redis
  posthog-db:
    image: postgres:15-alpine
    restart: unless-stopped
    environment:
      - POSTGRES_USER=posthog
      - POSTGRES_PASSWORD=posthog
      - POSTGRES_DB=posthog
    volumes:
      - posthog_pg_data:/var/lib/postgresql/data
  posthog-redis:
    image: redis:7-alpine
    restart: unless-stopped
volumes:
  posthog_pg_data: