If you’re trying to understand real, working examples of creating a RESTful API with Express.js, this guide is written for you. Instead of vague theory, we’ll walk through 3 practical examples of creating a RESTful API with Express.js that mirror what you actually build in production: a simple notes API, a user management API with validation and JWT auth, and a modular, database-backed products API. These examples of creating a RESTful API with Express.js: 3 examples in total, are intentionally opinionated and slightly modernized for 2024–2025 Node.js practices. You’ll see how to structure routes, handle errors, organize controllers, and wire up middleware without drowning in boilerplate. Along the way, we’ll touch on trends like TypeScript adoption, OpenAPI documentation, and why Express still dominates despite the rise of newer frameworks. By the end, you’ll not only have three complete code samples, but also a mental checklist you can reuse whenever you spin up a new Express-based REST API.
If you’re building anything in Express that touches user-generated content, you’ll hit file uploads fast. And in Node.js, that usually means Multer. You’re probably not looking for theory; you want **examples of multer file uploads in Node.js: 3 practical examples** that mirror what real apps do in production. That’s what this guide focuses on. We’ll walk through a single-image avatar upload, a multi-file upload for product galleries, and a safer, disk-based upload pipeline that’s ready for cloud storage. Along the way, you’ll see **real examples** of middleware configuration, validation, error handling, and folder structure that you can drop into your own code. Instead of toy snippets that only work in tutorials, these patterns match how modern APIs and dashboards are built in 2024–2025. If you’ve ever wondered which **examples include** filename sanitizing, MIME-type checks, or how to combine Multer with async/await and TypeScript-friendly patterns, keep reading. These are the **best examples** I’d use myself when starting a new Node.js service.
If you’re trying to understand real, modern examples of command-line application examples in Node.js, you’re in the right place. Node isn’t just for web servers anymore; it’s quietly powering a huge number of tools developers run in their terminals every day. From deployment scripts to AI helpers and project scaffolding tools, Node.js has become one of the most popular ways to build fast, portable command-line utilities. In this guide, we’ll walk through practical examples of command-line application examples in Node.js that you can actually use or adapt in your own projects. We’ll look at how these tools are structured, which libraries they rely on, and why Node is such a strong fit for command-line work in 2024 and 2025. Along the way, you’ll see an example of a simple CLI, plus more advanced patterns used in real-world tools like package managers, task runners, and AI-powered assistants.
If you build anything non-trivial in Node, you’re going to break things. The difference between a throwaway script and a production-ready service is how you handle those failures. In this guide, we’ll walk through modern, practical examples of examples of handling errors in Node.js applications, from async/await mistakes to API timeouts and validation failures. Instead of abstract theory, we’ll look at real examples that mirror what happens in everyday Node.js work: Express APIs, database calls, background jobs, and third‑party integrations. Along the way, you’ll see how to structure error classes, when to use try/catch, how to avoid unhandled promise rejections, and how to log errors in a way your future self (or your SRE team) will actually appreciate. If you’re searching for realistic examples of error handling patterns you can paste into your codebase and adapt, you’re in the right place. Let’s walk through the best examples that developers are actually using in 2024 and 2025.
If you’re learning Node.js, nothing beats seeing real code. In this guide, we’ll walk through practical examples of basic HTTP server examples in Node.js that you can actually copy, run, and tweak. Instead of abstract theory, you’ll see how to spin up servers for static files, JSON APIs, simple routing, and more. These examples of basic HTTP server examples in Node.js are intentionally minimal but realistic. They mirror the kind of servers you’d build for coding interviews, prototypes, internal tools, and teaching demos. Along the way, we’ll talk about 2024–2025 best practices: using modern JavaScript syntax, thinking about security from day one, and understanding when to move from the built‑in `http` module to something like Express. By the end, you’ll have several working scripts plus a mental model for how Node’s HTTP layer actually behaves under the hood—no magic, just event‑driven JavaScript wired straight to the network stack.
If you’re looking for real, working examples of deploying Node.js on Heroku, you’re in the right place. Too many tutorials wave their hands and skip straight from “git push heroku main” to “it’s live!” with no context. In this guide, you’ll see **examples of deploying Node.js on Heroku: 3 practical examples** that mirror what developers actually ship: a simple API, a full-stack app with a database, and a background worker that handles jobs off the main request cycle. We’ll walk through realistic use cases, show the code and configuration that matter, and call out the gotchas that tend to bite teams in 2024–2025: Node versions, environment variables, build steps, and scaling dynos. Along the way, we’ll add more than three examples in practice—covering logging, scheduled tasks, and zero-downtime config changes—so you can adapt these patterns to your own apps. If you can deploy a Git repo, you can use these examples of Node.js on Heroku in production without guesswork.
If you’re building an API or web app with Node, you can’t avoid middleware. And honestly, you shouldn’t want to. The best examples of middleware in Express.js turn messy request-handling code into small, focused, reusable functions that you can plug in anywhere in your app. In this guide, we’ll walk through examples of middleware in Express.js: 3 practical examples you’ll actually use in production, plus several more patterns worth stealing. We’ll start with logging, authentication, and error handling, then expand into real examples like request timing, rate limiting, and security headers. Along the way, you’ll see how to write your own custom middleware, how to compose multiple functions for a single route, and how modern Express code (as of 2024–2025) handles async/await without blowing up your error handling. By the end, you’ll have a mental toolbox of Express middleware patterns you can drop into your next Node project.