# Flask Configuration SECRET_KEY=your-super-secret-key-change-this-in-production FLASK_ENV=production # Database Configuration # For production with Coolify, this will be mounted as a volume DATABASE_DIR=/opt/apps/audiobook-studio-pro-v3 # TTS API Configuration TTS_API_URL=http://your-tts-api-server:5010/api/v1 TTS_API_KEY=your-tts-api-key-here