Develop smart city governance system

.env.example

@@ -1,14 +1,54 @@
-# .env.example - copy to .env and fill values
-POSTGRES_USER=vighn
-POSTGRES_PASSWORD=vighnpass
-POSTGRES_DB=vighnview
-POSTGRES_PORT=5432
+# Database Configuration
+DATABASE_URL=postgresql://username:password@localhost:5432/vighnview
+REDIS_URL=redis://localhost:6379
 
-# Backend server config
-BACKEND_PORT=5000
+# JWT Configuration
+JWT_SECRET=your-super-secret-jwt-key-here
+JWT_REFRESH_SECRET=your-super-secret-refresh-key-here
+JWT_EXPIRES_IN=24h
+JWT_REFRESH_EXPIRES_IN=7d
 
-# Google Cloud Vision API key (DON'T commit)
-AI_API_KEY=YOUR_GOOGLE_VISION_API_KEY
+# File Storage
+AWS_ACCESS_KEY_ID=your-aws-access-key
+AWS_SECRET_ACCESS_KEY=your-aws-secret-key
+AWS_REGION=us-east-1
+AWS_S3_BUCKET=vighnview-uploads
 
-# Used by frontend to call backend in dev or production
-NEXT_PUBLIC_BACKEND_URL=http://localhost:5000
+# Google Cloud (Alternative to AWS)
+GOOGLE_CLOUD_PROJECT_ID=your-project-id
+GOOGLE_CLOUD_STORAGE_BUCKET=vighnview-uploads
+
+# Maps API
+GOOGLE_MAPS_API_KEY=your-google-maps-api-key
+
+# AI/ML Services
+AI_SERVICE_URL=http://localhost:5000
+TENSORFLOW_MODEL_PATH=./models/issue-detection-model
+
+# Email Configuration
+SMTP_HOST=smtp.gmail.com
+SMTP_PORT=587
+SMTP_USER=your-email@gmail.com
+SMTP_PASS=your-app-password
+
+# Push Notifications
+FCM_SERVER_KEY=your-fcm-server-key
+FCM_PROJECT_ID=your-fcm-project-id
+
+# Development
+NODE_ENV=development
+PORT=3000
+FRONTEND_URL=http://localhost:3001
+MOBILE_APP_URL=http://localhost:3000
+
+# Rate Limiting
+RATE_LIMIT_WINDOW_MS=900000
+RATE_LIMIT_MAX_REQUESTS=100
+
+# Security
+BCRYPT_ROUNDS=12
+CORS_ORIGIN=http://localhost:3001,http://localhost:3000
+
+# Monitoring
+SENTRY_DSN=your-sentry-dsn
+LOG_LEVEL=info