codex-lv4-may-2025

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Level 1: Why Build an Express Server?

Over this week you will grow a simple Express project into a well-structured API. Each level maps to a daily assignment, building confidence as you layer on new responsibilities for your routes.

Project Setup

Before diving into the concepts, let’s set up your Express project:

1. Initialize your project:

   npm init -y
   

2. Install Express and development dependencies:

   npm install express
   npm install --save-dev nodemon
   

   📖 References:

   • Express.js Documentation
   • Express Hello World Example