posthog migration: part 1 #7363
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## Walkthrough
This change removes all PostHog analytics React components, providers, and tracking logic from the codebase across multiple apps. Instead, PostHog is now initialized directly in new instrumentation client modules. Next.js configuration files are updated to proxy certain PostHog API and asset requests. Related environment variables and dependencies are updated accordingly.
## Changes
| File(s) | Change Summary |
|--------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------|
| .../next.config.{ts,mjs} (dashboard, nebula, playground-web, portal, wallet-ui) | Added async `rewrites` functions to proxy `/_ph` paths to external PostHog domains. |
| .../package.json (dashboard, nebula, playground-web, portal) | Updated or added `posthog-js` dependency; removed `flat` from dashboard. |
| .../src/app/layout.tsx (dashboard, playground-web, portal) | Removed all PostHog-related imports and components from root layouts. |
| .../src/app/(app)/layout.tsx, .../team/[team_slug]/layout.tsx (dashboard) | Removed PostHog provider and identifier server from layouts. |
| .../src/app/bridge/components/client/Providers.client.tsx, .../pay/components/client/Providers.client.tsx (dashboard) | Removed PostHog provider and pageview tracking from providers. |
| .../src/components/wallets/PosthogIdentifier{,Server}.tsx (dashboard) | Deleted PostHog identifier client and server components. |
| .../src/hooks/analytics/useTrack.ts (dashboard) | Removed all PostHog tracking logic from the `useTrack` hook. |
| .../src/instrumentation-client.ts (dashboard, nebula, playground-web, portal) | Added new modules to directly initialize PostHog analytics via side effect. |
| .../src/lib/posthog/Posthog{,HeadSetup,PageView}.tsx (dashboard, playground-web, portal) | Deleted all PostHog React provider, head setup, and pageview tracking components. |
| .../src/utils/errorParser.tsx (dashboard) | Removed PostHog error capture logic. |
| .../src/components/others/Feedback.tsx (portal) | Removed PostHog analytics tracking from feedback component. |
| .../src/lib/env.ts (portal) | Deleted `isProd` environment utility. |
| .../src/components/code/RenderCode.tsx, .../app/Header.tsx (portal) | Minor Tailwind z-index syntax updates (unrelated to analytics). |
| .../.env.example (nebula) | Added PostHog environment variables for local development. |
## Sequence Diagram(s)
```mermaid
sequenceDiagram
participant User
participant App
participant InstrumentationClient
participant PostHogCloud
User->>App: Loads page
App->>InstrumentationClient: (side effect) Initialize PostHog if env key present
InstrumentationClient->>PostHogCloud: Connects with config (API host, options)
Note over App,InstrumentationClient: No React PostHog providers/components used
App->>User: Renders UI (no PostHog wrappers)
User->>App: Navigates/interacts
App->>InstrumentationClient: (PostHog tracks events via SDK, if enabled)Possibly related PRs
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Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## main #7363 +/- ##
=======================================
Coverage 52.35% 52.35%
=======================================
Files 939 939
Lines 63161 63161
Branches 4213 4217 +4
=======================================
Hits 33070 33070
Misses 29984 29984
Partials 107 107
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# Migrate to PostHog US Instance
This PR updates our PostHog integration across all apps to use the US-based PostHog instance instead of the previous self-hosted solution. Key changes include:
- Upgraded PostHog JS SDK from 1.67.1 to 1.252.0
- Added API proxying via Next.js rewrites to route PostHog requests through `/_ph` endpoints
- Implemented a new initialization approach using `instrumentation-client.ts` files
- Removed custom PostHog components and providers in favor of the official SDK's auto-capture functionality
- Configured PostHog to capture page views on history changes automatically
- Disabled session recording and exception capturing for privacy and performance
- Removed the `flat` dependency which is no longer needed
These changes will provide more reliable analytics while improving performance by using PostHog's official CDN and modern SDK features.
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Added support for proxying analytics-related requests to external services across multiple apps, enabling seamless integration with analytics providers.
- **Chores**
- Upgraded the analytics library dependency to the latest version in several apps.
- Updated environment variable examples to support new analytics configuration.
- **Refactor**
- Replaced in-app analytics instrumentation with new centralized clients for improved control and consistency.
- **Bug Fixes**
- Minor CSS z-index syntax adjustments for improved styling consistency.
- **Removed**
- Eliminated legacy analytics components and tracking from layouts, providers, hooks, and feedback forms, simplifying application structure and reducing external tracking.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- start pr-codex -->
---
## PR-Codex overview
This PR focuses on the removal of several `Posthog` components and their related files across multiple applications, as well as updating the `posthog-js` library version to `1.252.0`. It also introduces new `rewrites` in various configuration files to accommodate the updated tracking.
### Detailed summary
- Deleted files related to `Posthog` from:
- `apps/portal/src/lib/env.ts`
- `apps/portal/src/lib/posthog/Posthog.tsx`
- `apps/dashboard/src/lib/posthog/Posthog.tsx`
- `apps/playground-web/src/lib/posthog/Posthog.tsx`
- `apps/dashboard/src/components/wallets/PosthogIdentifier.tsx`
- Updated `posthog-js` version to `1.252.0` in:
- `apps/nebula/package.json`
- `apps/playground-web/package.json`
- `apps/portal/package.json`
- `apps/dashboard/package.json`
- Added `NEXT_PUBLIC_POSTHOG_KEY` and `NEXT_PUBLIC_POSTHOG_HOST` to `apps/nebula/.env.example`.
- Introduced new `rewrites` in `next.config.mjs` for `apps/playground-web`, `apps/dashboard`, `apps/nebula`, and `apps/portal` to direct traffic for `Posthog`.
- Removed `Posthog` components from various layouts and providers, simplifying the structure in `apps/dashboard/src/app/pay/components/client/Providers.client.tsx` and `apps/dashboard/src/app/bridge/components/client/Providers.client.tsx`.
> ✨ Ask PR-Codex anything about this PR by commenting with `/codex {your question}`
<!-- end pr-codex -->
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This was referenced Jul 21, 2025
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Migrate to PostHog US Instance
This PR updates our PostHog integration across all apps to use the US-based PostHog instance instead of the previous self-hosted solution. Key changes include:
/_phendpointsinstrumentation-client.tsfilesflatdependency which is no longer neededThese changes will provide more reliable analytics while improving performance by using PostHog's official CDN and modern SDK features.
Summary by CodeRabbit
New Features
Chores
Refactor
Bug Fixes
Removed
PR-Codex overview
This PR focuses on the removal of several
Posthogcomponents and their related files across multiple applications, as well as updating theposthog-jslibrary version to1.252.0. It also introduces newrewritesin various configuration files to accommodate the updated tracking.Detailed summary
Posthogfrom:apps/portal/src/lib/env.tsapps/portal/src/lib/posthog/Posthog.tsxapps/dashboard/src/lib/posthog/Posthog.tsxapps/playground-web/src/lib/posthog/Posthog.tsxapps/dashboard/src/components/wallets/PosthogIdentifier.tsxposthog-jsversion to1.252.0in:apps/nebula/package.jsonapps/playground-web/package.jsonapps/portal/package.jsonapps/dashboard/package.jsonNEXT_PUBLIC_POSTHOG_KEYandNEXT_PUBLIC_POSTHOG_HOSTtoapps/nebula/.env.example.rewritesinnext.config.mjsforapps/playground-web,apps/dashboard,apps/nebula, andapps/portalto direct traffic forPosthog.Posthogcomponents from various layouts and providers, simplifying the structure inapps/dashboard/src/app/pay/components/client/Providers.client.tsxandapps/dashboard/src/app/bridge/components/client/Providers.client.tsx.