E-commerce API Boilerplate (Express, Cart, Orders, Checkout)

A production-ready e-commerce REST API

A complete e-commerce backend in Node.js/Express: products, cart, orders, simulated checkout with coupon codes, dashboard stats and JSON persistence.

What's included

• Products — full CRUD with seed data
• Cart — per-customer via header
• Orders — create and list
• Checkout — simulated authorization + coupons
• Coupons — WELCOME10 / SAVE20 validation
• Dashboard — revenue, orders, top products
• Persistence — atomic JSON store
• 27 passing tests — node:test suite

Quick Start

npm install
npm start

Stack

Node.js 18+ · Express · pure ESM

Use cases

• MVP e-commerce backends
• Storefront APIs
• Order processing demos
• Learning REST design