Node.js is a leading JavaScript runtime environment for server-side development, ideal for real-time web applications with its event-driven I/O model and vast ecosystem of packages through npm. Docker is a containerization platform that allows packaging, shipping, and running any application in lightweight and portable containers. Containerizing Node.js apps with Docker improves portability, simplifies deployment, and enhances scalability.
Node.js is an open-source runtime environment that allows developers to create scalable server-side applications using JavaScript. It has a non-blocking I/O model, single-threaded design, and lightweight footprint, making it ideal for real-time web applications and building microservices-based systems with Express.js.
Deep dive into Node.js's V8-powered, event-driven runtime explains how the event loop, libuv, and non-blocking I/O enable fast, scalable backends. Covers async-first patterns, offloading CPU work to Worker Threads/queues, stateless horizontal scaling, streaming with backpressure, and monitoring loop delay/threadpool. Includes an e-commerce case study, when to use Node, and practical next steps.
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