Node.js
Node.js is an open-source JavaScript runtime built on the V8 engine that executes JavaScript outside web browsers and provides APIs for system and network operations.
Bootstrapping Microservices, Second Edition: With Docker, Kubernetes, GitHub Actions, and Terraform
Node.js is an open-source JavaScript runtime built on Chrome's V8 engine for executing JavaScript outside a web browser.
- How it is used
- Runs individual JavaScript microservices locally for development, testing, and troubleshooting.
- How deep it goes
- Builds and runs a first HTTP service step by step, while deferring fuller Node.js coverage.
- Examples
- Uses a local Hello World server and an HTTP video-streaming route as runnable examples.
- What you can do after
- Build it from scratch: create and run a single JavaScript HTTP microservice, then check its response in a browser.
Web Components in Action
Node.js is a JavaScript runtime built on the V8 engine for executing JavaScript outside the browser.
- How it is used
- Supports local Web Component development by serving HTML, CSS, JavaScript, and image assets through a browser-accessible server.
- How deep it goes
- Provides installation and execution steps, but stops short of explaining Node.js runtime internals or server implementation.
- Examples
- Uses a test HTML page, the http-server command, a photo carousel, and an NPM-installed custom-elements polyfill.
- What you can do after
- Operate a local HTTP server and install browser-support packages through NPM.
Amazon Web Services in Action, Third Edition: An in-depth guide to AWS
Node.js is a runtime platform for executing JavaScript outside web browsers, commonly for server-side applications and tooling.
- How it is used
- Supports JavaScript scripts and network applications that programmatically operate AWS services.
- How deep it goes
- Defines the runtime and demonstrates installation, commands, dependencies, and AWS SDK integration without explaining runtime internals.
- Examples
- Uses an S3 image gallery, DynamoDB todo data, and an SQS-backed URL-to-PNG workflow.
- What you can do after
- Apply it via the AWS SDK to run scripts, access AWS services, and build small network applications.
Read how Amazon Web Services in Action, Third Edition: An in-depth guide to AWS explains Node.js →
Road to Kubernetes
A runtime platform for executing JavaScript outside a web browser, commonly for server-side applications.
- How it is used
- Supports building and preparing JavaScript web applications for repeatable deployment.
- How deep it goes
- Explains the runtime distinction, npm setup, dependency tracking, server execution, and port configuration without covering deployment internals.
- Examples
- Uses an Express.js application, npm project initialization, package.json, and servers running on ports 3000 and 3011.
- What you can do after
- Build it from scratch with npm and Express.js, run the server, change its port, and track its dependencies.
Related concepts
- JavaScript runtimekind of · A JavaScript runtime is an execution environment that runs JavaScript code and provides the language engine and host APIs needed to interact with its platform.
- CommonJSuses · CommonJS is a JavaScript module-system specification that defines how modules export and load values, traditionally using synchronous require calls and module.exports assignments.
- npm start commandused by · npm start is an npm command that runs the package manifest’s configured start script.
- JavaScriptuses · JavaScript is a high-level, dynamically typed, multi-paradigm programming language standardized as ECMAScript and used for web and general-purpose programming.
- Expressused by · Express is a minimalist Node.js web application framework for building HTTP servers, routing requests, handling responses, and composing middleware.
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