What are some examples of middleware logging?

What are some examples of middleware logging?

Middleware logging refers to the practice of recording events and data as they pass through middleware components in an application. Examples include logging HTTP requests, database queries, and error messages.

Can you give me a specific example of logging an HTTP request?

Sure! For instance, in an Express.js application, you can use middleware like 'morgan' to log HTTP requests. It can log details like the request method, URL, and response time.

What about logging errors in middleware?

For error logging, you can create a custom error-handling middleware in Express. This middleware can catch errors and log them to a file or monitoring service.

Are there any best practices for middleware logging?

Yes, some best practices include logging at appropriate levels (info, warn, error), ensuring sensitive data is not logged, and using structured logging for better analysis.