requirements.txt

# Web Framework and WSGI
Flask==3.0.3
Flask-Cors==4.0.1
gunicorn==21.2.0
Werkzeug==3.0.1

# Machine Learning and Data Processing
scikit-learn==1.3.0
pandas==2.2.2
numpy==1.26.4
joblib==1.4.2
waitress==3.0.2
# Error Handling and Validation
marshmallow==3.20.2  # For request/response validation
pydantic==2.6.1     # For data validation

# Security
python-dotenv==1.0.0
PyJWT==2.8.0        # For JWT handling if you add authentication
bcrypt==4.1.2       # For password hashing if needed

# Monitoring and Logging
prometheus-flask-exporter==0.23.0  # For metrics and monitoring
python-json-logger==2.0.7          # For structured JSON logging
sentry-sdk[flask]==1.40.4          # For error tracking

# HTTP and Networking
requests==2.32.3
urllib3==2.2.0      # Required by requests
certifi==2024.2.2   # For SSL certificate verification

# Performance and Caching
cachetools==5.3.2   # For in-memory caching
redis==5.0.1        # For distributed caching if needed

# Development and Testing
pytest==8.0.0       # For unit testing
pytest-cov==4.1.0   # For test coverage
black==24.1.1       # For code formatting
flake8==7.0.0       # For code linting

# Time zone handling
pytz==2024.1        # For proper timezone handling

# Compression and Performance
brotli==1.1.0       # For response compression