Explain the concept of middleware in a Node.js context beyond Express.js.
Instruction: Describe middleware's role in Node.js applications outside the context of Express.js.
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Thank you for posing such an insightful question. Middleware, in the context of Node.js, plays a pivotal role in the modular and scalable development of applications, extending far beyond the realms of Express.js. My experience as a Backend Developer has afforded me numerous opportunities to leverage middleware in diverse Node.js environments, enhancing both application performance and maintainability. At its core, middleware is fundamentally a function with access to the request and response objects, and the next middleware function in the application’s request-response cycle. This allows middleware functions to execute code, make changes to the request and response objects, end the request-response cycle, or call the next middleware function in the stack...