A serverless music player built with Next.js and Cloudflare R2.
Live: music.shuttlelab.org

• Multiple formats: MP3, M4A, WAV, OGG, FLAC, MP4
• Shuffle and sequential playback
• Seekable progress bar
• Search
• Responsive layout (mobile & desktop)
• Cloud storage via Cloudflare R2
• Smart cache (Cache API) and prefetch for fast/offline playback

• Frontend: Next.js 15, React 19, TypeScript, Tailwind CSS
• Audio: HTML5 Audio, Range requests (streaming), Cache API
• Backend: Next.js API Routes, Cloudflare R2 (S3-compatible)

music-shuttle/
├── app/
│ ├── api/audio/route.ts # GET /api/audio?key=...
│ ├── api/list/route.ts # GET /api/list
│ ├── layout.tsx
│ ├── page.tsx
│ └── globals.css
├── components/player/MusicPlayer.tsx
├── lib/
│ ├── hooks/ # useMusicList, useAudioPlayer, useAudioCache, useAudioPrefetch
│ └── utils.ts
├── .env.local.example
└── wrangler.toml # R2 binding for Cloudflare

Requirements: Node.js 18+, npm/pnpm, Cloudflare account, R2 bucket with audio files.

git clone <your-repo-url>
cd music-shuttle
npm install
npm run dev

Open http://localhost:3000.
Note: R2 APIs need Cloudflare; for full behavior, deploy to Cloudflare Pages.

1. Connect repo to Cloudflare Pages.

2. Build command: npx @cloudflare/next-on-pages@1

3. Output directory: .vercel/output/static

4. In wrangler.toml, set R2 binding:

   compatibility_flags = ["nodejs_compat"]
   [[r2_buckets]]
   binding = "R2_BUCKET"
   bucket_name = "your-bucket-name"

No API keys needed; R2 is accessed via bindings.
Full guide: CLOUDFLARE_DEPLOYMENT.md

• List: GET /api/list — optional: ?prefix=..., ?limit=N, ?demo=1, ?debug=1
• Audio: GET /api/audio?key=filename.mp3 — supports Range for streaming

• Empty list? Check R2 binding in wrangler.toml, bucket name, and that files have supported extensions (.mp3, .m4a, .wav, .ogg, .flac, .mp4).
• Two requests per track? One is streaming (instant play), one is full prefetch for cache; this is intentional.
• Clear cache: DevTools → Application → Cache Storage → delete music-shuttle-v1, or run caches.delete('music-shuttle-v1') in console.

1. Fork the repo
2. Create a branch: git checkout -b feature/your-feature
3. Commit and push, then open a Pull Request

MIT