Rotating File Handler Example

# settings.py

from logging.handlers import RotatingFileHandler  # for reference
from pathlib import Path
BASE_DIR = Path(__file__).resolve().parent.parent

LOGGING = {
    "version": 1,
    "disable_existing_loggers": False,
    "formatters": {
        "line": {"format": "{asctime} | {levelname} | {message}", "style": "{"},
    },
    "handlers": {
        "rotating_file": {
            "class": "logging.handlers.RotatingFileHandler",
            "filename": BASE_DIR / "app.log",
            "maxBytes": 5 * 1024 * 1024,  # 5 MB
            "backupCount": 3,
            "formatter": "line",
        },
    },
    "root": {"handlers": ["rotating_file"], "level": "INFO"},
}