Express Middleware

This video tutorial covers the use of authentication tokens in API requests, focusing on Express middleware. It explains how middleware can be used to customize server behavior, including logging requests and validating authentication tokens. The tutorial demonstrates implementing middleware in Express, testing it with Postman, and using conditional logic to control request handling. A challenge is presented to create middleware for a maintenance mode, followed by a solution walkthrough.

What is the purpose of authentication tokens in API requests?

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Explain how Express middleware can customize server behavior.

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Discuss the importance of logging requests in middleware.

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What is the significance of the 'app.use' method in Express?

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What information can be accessed in a middleware function?

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Describe the role of the 'next' function in middleware.

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What happens if the middleware function does not call 'next'?

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What are the potential consequences of not handling errors in middleware?

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How can middleware be used to restrict access based on HTTP methods?

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How can you implement a maintenance mode using middleware?

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