💬 Private Chat

A secure, private, self-destructing chat room application built with Next.js 16, Elysia, and Upstash. Messages are delivered in real-time and rooms automatically expire after a set duration.

✨ Features

• 🔒 Secure Room Creation: Generate unique, private chat rooms with nanoid.
• ⚡ Real-time Messaging: Instant message delivery powered by Upstash Realtime.
• ⏳ Self-Destructing Rooms: Rooms and all associated data automatically expire after 10 minutes (configurable).
• 💣 Manual Destruction: Instantly destroy a room and its history with a single click.
• 📜 Message History: Persistent history for the duration of the room's life.
• 🔗 Easy Sharing: Quick-copy room links to invite participants.

🛠️ Tech Stack

• Framework: Next.js 16 (App Router, React 19)
• API Engine: Elysia (running on Next.js API routes)
• Real-time: @upstash/realtime
• Database/Cache: Upstash Redis
• State Management: TanStack Query v5
• Validation: Zod
• Styling: Tailwind CSS 4

🚀 Getting Started

1. Prerequisites

• An Upstash account (Redis and Realtime).

2. Environment Setup

Create a .env.local file in the root directory:

UPSTASH_REDIS_REST_URL=your_redis_rest_url
UPSTASH_REDIS_REST_TOKEN=your_redis_token
UPSTASH_REALTIME_TOKEN=your_realtime_token

3. Installation

npm install

4. Development

npm run dev

Open http://localhost:3000 with your browser to see the result.

📡 API Endpoints (Elysia)

Endpoint	Method	Description
/api/room/create	POST	Create a new chat room
/api/room/ttl	GET	Get room time-to-live
/api/room	DELETE	Destroy a room
/api/messages	POST	Send a message
/api/messages	GET	Get all messages in a room

📂 Project Structure

src/
├── app/
│   ├── api/[[...slugs]]/    # Elysia API routes implementation
│   ├── room/[roomId]/       # Dynamic chat room route
│   └── page.tsx             # Application landing page
├── components/              # Shared UI components
├── hooks/                   # Custom React hooks (use-username, etc.)
├── lib/                     # Client initializations (Redis, Realtime)
└── types/                   # TypeScript definitions

🎓 Credits

This project was built following the tutorial: Build a Complete Real-Time Chat with Next.js 16, Redis, Tailwind (2025).

📄 License

This project is licensed under the MIT License.