backend/run.py

import os
import logging
from logging.handlers import RotatingFileHandler
from app import create_app
from config import config

# Get environment from environment variable
env = os.environ.get('FLASK_ENV', 'development')
app = create_app(config[env])  # Pass the config class, not an instance

# Configure logging
if not app.debug:
    if not os.path.exists('logs'):
        os.mkdir('logs')
    file_handler = RotatingFileHandler(
        'logs/app.log',
        maxBytes=10240,
        backupCount=10
    )
    file_handler.setFormatter(logging.Formatter(
        '%(asctime)s %(levelname)s: %(message)s [in %(pathname)s:%(lineno)d]'
    ))
    file_handler.setLevel(logging.INFO)
    app.logger.addHandler(file_handler)
    app.logger.setLevel(logging.INFO)
    app.logger.info('Legal Document Analysis startup')

if __name__ == "__main__":
    app.run(
        host=os.environ.get('HOST', '0.0.0.0'),
        port=int(os.environ.get('PORT', 5000))
    )