s2yt

Create YouTube videos from an image and audio files.

Stack

• Next.js 15 (App Router, TypeScript, Tailwind)
• PostgreSQL + Prisma
• Redis + BullMQ
• NextAuth (Google OAuth with YouTube scopes)
• FFmpeg for video encoding
• YouTube Data API v3

Setup

1. Copy environment variables:

cp .env.example .env

2. Start PostgreSQL and Redis:

docker compose up -d

3. Install dependencies and run migrations:

npm install
npm run db:push

4. Configure Google OAuth in Google Cloud Console:

   • Enable YouTube Data API v3
   • Create OAuth 2.0 credentials
   • Add redirect URI: http://localhost:3000/api/auth/callback/google
   • Set GOOGLE_CLIENT_ID and GOOGLE_CLIENT_SECRET in .env

5. Install FFmpeg on your system (required for the worker).

6. Start the web app and worker in separate terminals:

npm run dev
npm run worker

Free Plan

• 14 videos/month (each audio = 1 video)
• Max 720p resolution
• 30 MB max per file
• Watermark required
• Per-video metadata (title auto-filled from audio filename)

Scripts

• npm run dev — Next.js dev server
• npm run worker — Background job processor
• npm run db:push — Push Prisma schema to database
• npm run build — Production build