Merge pull request #3166 from PostHog/self-driving-sample-apps

feat(self-driving): five new sample apps across frameworks

Author: Fernando Gomes

apps/self-driving/astro/changelog-hub/.gitignore

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+node_modules
+dist/
+.astro/
+.env
+.env.*
+!.env.example
+.DS_Store
+*.log

apps/self-driving/astro/changelog-hub/README.md

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+# Changelog Hub (Astro 5, SSR)
+
+A server-rendered changelog site built with Astro 5 and the Node adapter. No analytics — this app
+is a clean target for the PostHog wizard.
+
+## Features
+
+- Release list rendered on the server, newest first
+- Release detail pages at `/releases/:slug`
+- 👍 reactions on a release, posted from a small inline client script
+- Email subscribe form backed by an API endpoint
+
+## Tech stack
+
+- Astro 5 (`output: 'server'`)
+- `@astrojs/node` standalone adapter
+- TypeScript
+- No UI framework — plain Astro components and inline scripts
+
+## Getting started
+
+```bash
+pnpm install
+pnpm dev
+```
+
+Open http://localhost:4321.
+
+## Routes
+
+| Route | Description |
+|---|---|
+| `/` | Release list, reactions, subscribe form |
+| `/releases/[slug]` | Release detail with full notes |
+| `/about` | Static about page |
+| `POST /api/subscribe` | Subscribe an email — `{ "email": "you@example.com" }` |
+| `POST /api/releases/[slug]/react` | Add a reaction, returns the updated release |
+
+## Project structure
+
+```
+src/
+├── layouts/Layout.astro      # Document shell and global styles
+├── lib/releases.ts           # In-memory releases and subscribers
+└── pages/
+    ├── index.astro           # Release list + client script
+    ├── about.astro
+    ├── releases/[slug].astro
+    └── api/
+        ├── subscribe.ts
+        └── releases/[slug]/react.ts
+```
+
+## Notes
+
+- Releases, reactions, and subscribers live in memory and reset on every server restart
+- Seeded with three releases

apps/self-driving/astro/changelog-hub/astro.config.mjs

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+import { defineConfig } from 'astro/config';
+import node from '@astrojs/node';
+
+export default defineConfig({
+  output: 'server',
+  adapter: node({
+    mode: 'standalone',
+  }),
+  image: {
+    service: { entrypoint: 'astro/assets/services/noop' },
+  },
+});

apps/self-driving/astro/changelog-hub/package.json

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+{
+  "name": "changelog-hub",
+  "type": "module",
+  "version": "1.0.0",
+  "private": true,
+  "scripts": {
+    "dev": "astro dev",
+    "build": "astro build",
+    "preview": "astro preview"
+  },
+  "dependencies": {
+    "@astrojs/node": "^9.0.0",
+    "astro": "^5.0.0"
+  }
+}