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Backend certification exam readiness
·
Module 4
Implementing Robust Error Handling
1
Handling Undefined Routes with 404 Middleware
Implement a 404 handler middleware to catch requests for undefined routes.
2
Global Error Handling Middleware
Implement a global error-handling middleware with an `(err, req, res, next)` signature.
3
Handling Asynchronous Errors in Express.js
Wrap async route handlers to catch rejected promises and forward errors using `next(err)`.
4
Global Error Handling for Secure JSON Responses
Use the global error handler to return clean JSON error responses, preventing stack trace leakage in production.
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Building Core API Routes (CRUD)
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API Documentation Setup with Swagger