How can I implement log rotation for Python applications in Docker?

How can I implement log rotation for Python applications in Docker?

You can use the logging module in Python along with Docker's logging drivers. Would you like a code example?

Yes, please provide a code example for log rotation.

Here's a simple example using RotatingFileHandler:

import logging
from logging.handlers import RotatingFileHandler

handler = RotatingFileHandler('app.log', maxBytes=2000, backupCount=5)
logger = logging.getLogger()
logger.addHandler(handler)
logger.setLevel(logging.INFO)

logger.info('This is a log message')

How do I configure Docker to use this logging setup?

You can configure your Docker container to use the json-file logging driver, which supports log rotation. Add this to your Docker run command:

docker run --log-driver=json-file --log-opt max-size=10m --log-opt max-file=3 your_image