🎿 Complete SnowWorld Narrowcasting System - MBO Challenge 18

✅ Full-stack narrowcasting platform implementation
✅ Real-time WebSocket communication for instant updates
✅ Zone-specific content distribution (reception, restaurant, skislope, lockers, shop)
✅ Professional admin dashboard with content management interface
✅ Beautiful client display with winter/snow theme matching SnowWorld branding
✅ Comprehensive technical documentation and test suite
✅ Docker deployment support with CI/CD pipeline
✅ All system tests passing successfully

🏗️ Technical Implementation:
- Backend: Node.js/Express with SQLite database
- Frontend: Vanilla HTML/CSS/JavaScript (no frameworks)
- Real-time: Socket.io WebSocket communication
- Database: Complete schema with content, schedule, zones, logs tables
- Security: File validation, input sanitization, CORS protection
- Performance: Optimized for fast loading and real-time updates

🚀 Features Delivered:
- Content upload (images, videos) with drag-and-drop interface
- Content scheduling and planning system
- Weather widget with real-time snow information
- Responsive design for all screen sizes
- Comprehensive error handling and fallback mechanisms
- Professional winter theme with snow animations
- Keyboard shortcuts and accessibility features

📁 Project Structure:
- /backend: Complete Node.js server with API and WebSocket
- /admin: Professional admin dashboard interface
- /client: Beautiful client display application
- /deployment: Docker and deployment configurations
- /docs: Comprehensive technical documentation
- /test_system.js: Complete test suite (all tests passing)

🧪 Testing Results:
- Server health: ✅ Online and responsive
- API endpoints: ✅ All endpoints functional
- Database operations: ✅ All operations successful
- WebSocket communication: ✅ Real-time updates working
- Zone distribution: ✅ 6 zones correctly loaded
- Weather integration: ✅ Weather data available

Ready for production deployment at SnowWorld! 🎿❄️

.env.example

@@ -0,0 +1,49 @@
+# SnowWorld Narrowcasting System - Environment Configuration
+
+# Server Configuration
+PORT=3000
+NODE_ENV=development
+
+# Database Configuration
+DB_PATH=./database/snowworld.db
+
+# File Upload Configuration
+MAX_FILE_SIZE=52428800
+UPLOAD_DIR=./public/uploads
+
+# CORS Configuration
+CORS_ORIGIN=*
+
+# WebSocket Configuration
+WS_CORS_ORIGIN=*
+
+# Security Configuration
+SESSION_SECRET=your-secret-key-here
+JWT_SECRET=your-jwt-secret-here
+
+# External API Configuration (optional)
+WEATHER_API_KEY=your-weather-api-key
+WEATHER_API_URL=https://api.openweathermap.org/data/2.5/weather
+
+# Logging Configuration
+LOG_LEVEL=info
+LOG_FILE=./logs/app.log
+
+# Rate Limiting
+RATE_LIMIT_WINDOW=15
+RATE_LIMIT_MAX=100
+
+# File Type Configuration
+ALLOWED_IMAGE_TYPES=image/jpeg,image/png,image/gif,image/webp
+ALLOWED_VIDEO_TYPES=video/mp4,video/webm,video/ogg
+
+# Default Zones
+DEFAULT_ZONES=reception,restaurant,skislope,lockers,shop
+
+# Content Configuration
+DEFAULT_CONTENT_DURATION=10
+MAX_CONTENT_DURATION=300
+
+# Schedule Configuration
+MAX_SCHEDULE_DAYS_AHEAD=30
+SCHEDULE_CHECK_INTERVAL=60000