--- title: How NestJS Uses Express | daily.dev description: NestJS is structured around three core building blocks: modules, controllers, and services/providers. A key insight is that NestJS doesn't replace Express — it... canonical: https://daily.dev/posts/how-nestjs-uses-express-bgv9hp36t twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: How NestJS Uses Express | daily.dev og:description: NestJS is structured around three core building blocks: modules, controllers, and services/providers. A key insight is that NestJS doesn't replace Express — it... og:url: https://daily.dev/posts/how-nestjs-uses-express-bgv9hp36t og:image: https://api.daily.dev/og/posts/BGv9hp36T.png og:image:alt: How NestJS Uses Express og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # How NestJS Uses Express **[JavaScript Mastery](https://daily.dev/sources/javascriptmastery)** · 1 min read · 1 upvotes · 0 comments ## Summary NestJS is structured around three core building blocks: modules, controllers, and services/providers. A key insight is that NestJS doesn't replace Express — it wraps it, with Express still handling the raw HTTP layer underneath while NestJS adds architectural structure on top. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Why Do We Need Nest.js When Node.js Already Exists?](https://daily.dev/posts/why-do-we-need-nest-js-when-node-js-already-exists--xoezfuya1) · Medium · 2 upvotes · 0 comments --- Tags: [#nodejs](https://daily.dev/tags/nodejs), [#backend](https://daily.dev/tags/backend), [#typescript](https://daily.dev/tags/typescript), [#nestjs](https://daily.dev/tags/nestjs) [View this post on daily.dev](https://daily.dev/posts/how-nestjs-uses-express-bgv9hp36t) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"How NestJS Uses Express","url":"https://daily.dev/posts/how-nestjs-uses-express-bgv9hp36t","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/how-nestjs-uses-express-bgv9hp36t"},"datePublished":"2026-07-01T08:28:35.486Z","dateModified":"2026-07-01T08:28:49.600Z","description":"NestJS is structured around three core building blocks: modules, controllers, and services/providers. 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