env_example.txt

# USDA API Key for nutrition data (get from https://fdc.nal.usda.gov/api-key-signup.html)
USDA_API_KEY=your_usda_api_key_here

# Database configuration (optional, defaults to SQLite)
DATABASE_URL=sqlite:///tmp/data/health_assistant.db

# Hugging Face Spaces configuration
HF_SPACE_ID=your_space_id