What We Are Building: Radio Pulse — An Online Radio Station
Let us take a detailed look at what Radio Pulse will become by the end of this course.
Application Overview
Radio Pulse is an online radio station web application that lets users:
- Listen to live radio streams through an in-browser audio player
- See what is currently playing with track title, artist, and album art
- Browse recently played tracks in a scrollable history view
- Rate tracks using a 5-star rating system
- Enjoy a polished, responsive UI that works on desktop and mobile
Technical Architecture
┌─────────────────────────────────────────────┐
│ Frontend │
│ React + Tailwind CSS │
│ ┌──────────┐ ┌──────────┐ ┌──────────────┐│
│ │ Player │ │Now Playing│ │ Recently ││
│ │ Widget │ │ Display │ │ Played List ││
│ └──────────┘ └──────────┘ └──────────────┘│
│ ┌──────────────────────────────────────────┐│
│ │ User Ratings Component ││
│ └──────────────────────────────────────────┘│
└─────────────────────┬───────────────────────┘
│ HTTP API
┌─────────────────────┴───────────────────────┐
│ Backend │
│ Express.js + Node.js │
│ ┌──────────┐ ┌──────────┐ ┌──────────────┐│
│ │ Stream │ │ Track │ │ Ratings ││
│ │ Proxy │ │ Metadata │ │ API ││
│ └──────────┘ └──────────┘ └──────────────┘│
└─────────────────────┬───────────────────────┘
│
┌─────────────────────┴───────────────────────┐
│ Database (SQLite → PostgreSQL) │
│ tracks, ratings, play_history │
└─────────────────────────────────────────────┘
Why This Project
Radio Pulse is the perfect Claude Code learning project because:
- Full-stack complexity — Frontend, backend, database, and deployment
- Incremental buildability — Each feature can be added independently
- Real-world patterns — APIs, real-time data, user interaction, media handling
- Deployment challenges — Docker, reverse proxies, database migrations, CI/CD
The Stack
| Layer | Technology | Why |
|---|---|---|
| Frontend | React + Tailwind CSS | Modern, component-based, utility-first styling |
| Backend | Express.js | Lightweight, flexible, excellent Claude Code support |
| Database | SQLite (dev) → PostgreSQL (prod) | Simple start, production-grade finish |
| Deployment | Docker + nginx | Industry-standard containerized deployment |
| CI/CD | GitHub Actions + Claude Code | Automated testing, security scanning, and reviews |
Key Takeaways
- Radio Pulse is a complete full-stack application covering all major web development concerns
- The architecture is deliberately designed for incremental, AI-assisted development
- You will start with SQLite for speed and migrate to PostgreSQL for production
- Every technology choice reflects real-world professional practice