Kivi - VOD Platform for Course Creators

Kivi is a high-performance Video-on-Demand (VOD) platform designed for course creators, featuring a robust video processing pipeline and secure adaptive bitrate streaming.

🚀 Key Features

• Adaptive HLS Streaming: Automated transcoding to 720p/480p for smooth playback.
• Secure Delivery: Custom HLS proxy validates user sessions for every 6-second video segment.
• Asynchronous Processing: Background workers handle heavy FFmpeg tasks via BullMQ.
• Zero Egress Storage: Leverages Cloudflare R2 to keep delivery costs low.

🛠️ Tech Stack

• Frontend: Next.js 15 (App Router), Tailwind CSS, Shadcn UI
• Backend: Node.js, Prisma ORM (PostgreSQL)
• Infra: Bun, Redis, BullMQ, Cloudflare R2
• Processing: FFmpeg

🏁 Quick Start

1. Install Dependencies:

   bun install

2. Environment Setup: Copy .env.example to .env and configure your Database, Redis, and R2 credentials.

3. Database Setup:

   bunx prisma db push

4. Run Development Server:

   bun dev

5. Run Transcoding Worker:

   bun run worker:transcode

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For detailed technical documentation, see the architecture/ artifacts.