🎿 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! 🎿❄️

deployment/configs/nginx.conf

@@ -0,0 +1,121 @@
+# SnowWorld Narrowcasting System - Nginx Configuration
+
+events {
+    worker_connections 1024;
+}
+
+http {
+    include /etc/nginx/mime.types;
+    default_type application/octet-stream;
+
+    # Logging
+    access_log /var/log/nginx/access.log;
+    error_log /var/log/nginx/error.log;
+
+    # Gzip compression
+    gzip on;
+    gzip_vary on;
+    gzip_min_length 1024;
+    gzip_types text/plain text/css text/xml text/javascript application/javascript application/xml+rss application/json;
+
+    # Rate limiting
+    limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;
+    limit_req_zone $binary_remote_addr zone=upload:10m rate=2r/s;
+
+    # Upstream backend
+    upstream backend {
+        server snowworld-narrowcasting:3000;
+        keepalive 32;
+    }
+
+    # HTTP redirect to HTTPS
+    server {
+        listen 80;
+        server_name _;
+        return 301 https://$server_name$request_uri;
+    }
+
+    # HTTPS server
+    server {
+        listen 443 ssl http2;
+        server_name _;
+
+        # SSL configuration
+        ssl_certificate /etc/nginx/ssl/cert.pem;
+        ssl_certificate_key /etc/nginx/ssl/key.pem;
+        ssl_protocols TLSv1.2 TLSv1.3;
+        ssl_ciphers ECDHE-RSA-AES256-GCM-SHA512:DHE-RSA-AES256-GCM-SHA512:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384;
+        ssl_prefer_server_ciphers off;
+        ssl_session_cache shared:SSL:10m;
+        ssl_session_timeout 10m;
+
+        # Security headers
+        add_header X-Frame-Options DENY;
+        add_header X-Content-Type-Options nosniff;
+        add_header X-XSS-Protection "1; mode=block";
+        add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
+
+        # Serve static files for admin dashboard
+        location /admin {
+            alias /usr/share/nginx/html/admin;
+            try_files $uri $uri/ /admin/index.html;
+            expires 1h;
+            add_header Cache-Control "public, immutable";
+        }
+
+        # Serve static files for client display
+        location /client {
+            alias /usr/share/nginx/html/client;
+            try_files $uri $uri/ /client/index.html;
+            expires 1h;
+            add_header Cache-Control "public, immutable";
+        }
+
+        # Serve uploaded files
+        location /uploads {
+            alias /app/public/uploads;
+            expires 1d;
+            add_header Cache-Control "public, immutable";
+            
+            # Security headers for uploaded content
+            add_header X-Content-Type-Options nosniff;
+            add_header X-Frame-Options DENY;
+        }
+
+        # API endpoints with rate limiting
+        location /api {
+            limit_req zone=api burst=20 nodelay;
+            
+            proxy_pass http://backend;
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection 'upgrade';
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            proxy_cache_bypass $http_upgrade;
+            proxy_buffering off;
+            proxy_read_timeout 300s;
+            proxy_connect_timeout 75s;
+        }
+
+        # WebSocket support
+        location /socket.io {
+            proxy_pass http://backend;
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection "upgrade";
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            proxy_buffering off;
+        }
+
+        # Default location
+        location / {
+            return 301 /client/index.html;
+        }
+    }
+}