app/core/logging_config.py

import logging
import logging.handlers
from app.core.config import get_settings


def setup_logging():
    """Configure logging for the application."""
    settings = get_settings()
    
    # Create logger
    logger = logging.getLogger()
    logger.setLevel(getattr(logging, settings.LOG_LEVEL))
    
    # Remove existing handlers
    logger.handlers.clear()
    
    # Console handler
    console_handler = logging.StreamHandler()
    console_handler.setLevel(getattr(logging, settings.LOG_LEVEL))
    formatter = logging.Formatter(
        "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
    )
    console_handler.setFormatter(formatter)
    logger.addHandler(console_handler)
    
    # File handler (if specified)
    if settings.LOG_FILE:
        file_handler = logging.handlers.RotatingFileHandler(
            settings.LOG_FILE,
            maxBytes=10485760,  # 10 MB
            backupCount=5,
        )
        file_handler.setLevel(getattr(logging, settings.LOG_LEVEL))
        file_handler.setFormatter(formatter)
        logger.addHandler(file_handler)