import logging
from logging.handlers import RotatingFileHandler

def setup_logging():
    log_format = '%(asctime)s - %(levelname)s - %(message)s'
    
    console_handler = logging.StreamHandler()
    console_handler.setLevel(logging.INFO)
    console_handler.setFormatter(logging.Formatter(log_format))
    
    file_handler = RotatingFileHandler(
        'app.log', 
        maxBytes=10 * 1024 * 1024, 
        backupCount=5,
        encoding='utf-8'
    )
    file_handler.setLevel(logging.INFO)
    file_handler.setFormatter(logging.Formatter(log_format))
    
    root_logger = logging.getLogger()
    root_logger.setLevel(logging.INFO)
    root_logger.addHandler(console_handler)
    root_logger.addHandler(file_handler)
    
    werkzeug_logger = logging.getLogger('werkzeug')
    werkzeug_logger.setLevel(logging.WARNING)