posthog-deploy-integration

# PostHog Deploy Integration ## Overview Deploy PostHog analytics to production platforms. Covers Next.js with Vercel (reverse proxy, server-side capture, edge functions), self-hosted PostHog with Docker, and Google Cloud Run deployment patterns. ## Prerequisites - PostHog project API key (`phc_...`) - PostHog personal API key (`phx_...`) for server features - Platform CLI installed (`vercel`, `docker`, or `gcloud`) ## Instructions ### Step 1: Next.js + Vercel Deployment ```bash set -euo pipefail # Set environment variables in Vercel vercel env add NEXT_PUBLIC_POSTHOG_KEY production # phc_... (public) vercel env add NEXT_PUBLIC_POSTHOG_HOST production # /ingest (if using proxy) vercel env add POSTHOG_PERSONAL_API_KEY production # phx_... (server-only) vercel env add POSTHOG_PROJECT_ID production # Project ID number ``` ```typescript // next.config.js — Reverse proxy to bypass ad blockers module.exports = { async rewrites() { return [ { source: '/ingest/static/:path*', destination: 'https://us-assets.i.posthog.com/static/:path*', }, { source: '/ingest/:path*', destination: 'https://us.i.posthog.com/:path*', }, ]; }, }; ``` ```typescript // app/providers.tsx — Client-side PostHog with proxy 'use client'; import posthog from 'posthog-js'; import { PostHogProvider } from 'posthog-js/react'; import { useEffect } from 'react'; export function PHProvider({ children }: { children: React.R...