.env.example

# Database Configuration (Server-side only)
DATABASE_URL=postgresql://username:password@localhost:5432/shipment_db

# API Keys (Server-side only - NOT exposed to client)
OPENWEATHER_API_KEY=your_openweather_api_key_here
GOOGLE_MAPS_API_KEY=your_google_maps_api_key_here
MAPBOX_ACCESS_TOKEN=your_mapbox_token_here

# Flask Configuration (Server-side only)
FLASK_ENV=production
SECRET_KEY=your_secret_key_here

# ML Model Configuration
MODEL_UPDATE_INTERVAL=24  # hours
PREDICTION_THRESHOLD=0.7

# Deployment Configuration
PORT=8050
HOST=0.0.0.0