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Framework: Node.js + ExpressDifficulty: intermediate

Express REST API

A TypeScript Express API with routing, validation, and an in-memory store you can swap for PostgreSQL.

An Express 4 server written in TypeScript and run with tsx in development. It exposes a small todos resource with zod-validated request bodies and an in-memory array; replace the array with a database client and the handlers stay the same.

  • node
  • express
  • api
  • typescript
  • backend
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Files5 files

.gitignore3 lines
node_modules
dist
.env

Dependencies

Documented from the template's package.json. The runtime has a prebuilt dependency set for Node.js + Express, so installs are fast.

PackageVersion
express^4.21.0
zod^3.24.0
tsx^4.19.0
typescript^5.8.0

How it runs

Framework
Node.js + Express
Dev command
npm run dev
Build command
npm run build
Output directory
dist
Port
3000
Opens at
/api/todos
Difficulty
intermediate

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