What are the best practices for logging in Express applications?

What are the best practices for logging in Express applications?

Some best practices include using a logging library like Winston or Morgan, logging at different levels (info, warn, error), and ensuring logs are structured for easy parsing.

How can I implement Winston in my Express app?

You can install Winston using npm, then create a logger instance and use it in your middleware to log requests and errors.

What should I log in my application?

Log important events like user actions, errors, and system performance metrics. Avoid logging sensitive information.

How do I manage log files?

Use log rotation to manage file sizes, and consider using a centralized logging service for better analysis and monitoring.