How to use environment variables in Node.js applications
· Node.js
Manage configuration and secrets in Node.js using environment variables, dotenv, and runtime validation schemas.
Category: Node.js
58 questions in Node.js.
How to handle file uploads with Multer in Express
· Node.js
Handle multipart/form-data file uploads in Express.js using Multer with disk storage, memory storage, and file validation.
How to implement JWT authentication in Node.js
· Node.js
Build stateless authentication in Node.js using JSON Web Tokens with secure signing, verification, and refresh token patterns.
What is the difference between process.nextTick and setImmediate
· Node.js
Understand the scheduling priorities of process.nextTick and setImmediate in Node.js and when to use each for optimal event loop behavior.
How to use Node.js worker threads for CPU-intensive tasks
· Node.js
Offload CPU-bound work from the Node.js main thread using worker threads for image processing, data compression, and complex calculations.
How to stream large files in Node.js
· Node.js
Process and transfer large files efficiently in Node.js using streams to minimize memory usage and improve throughput.
What is Node.js cluster module and how to use it
· Node.js
Scale Node.js applications across CPU cores using the built-in cluster module to create worker processes that share the same server port.
How to implement rate limiting in Express.js
· Node.js
Protect your Express.js APIs from abuse using rate limiting middleware with in-memory and Redis-backed stores.
How to dockerize a Node.js application
· Node.js
Containerize a Node.js application with Docker for consistent deployments across environments.
How to monitor Node.js application health
· Node.js
Set up health checks, metrics, and alerting for Node.js applications using popular monitoring tools.