Handling Express Errors

The video tutorial covers error handling in file uploads using Express and Multer. It begins by removing Multer middleware to simplify error handling, then demonstrates creating custom middleware to handle errors. The tutorial shows how to test error responses using Postman and improve them by sending JSON responses. Finally, it challenges viewers to apply these concepts to another route, ensuring robust error handling in file uploads.

What steps should be taken to handle errors when using multer for file uploads?

What should be included in the response when an upload fails due to an unsupported file type?

Describe how to set up an error handler function for an endpoint.