How to Create a Next.js Project: Step-by-Step Guide

To create a Next.js project, run npx create-next-app@latest my-app in your terminal. This command sets up a new Next.js project folder named my-app with all necessary files and dependencies.

Syntax

The basic command to create a Next.js project is:

npx create-next-app@latest <project-name>

Here:

• npx runs the package without installing globally.
• create-next-app@latest is the official Next.js starter tool at the latest version.
• <project-name> is your new project folder name.

bash

npx create-next-app@latest my-app

Example

This example creates a Next.js project named my-app. After running the command, you can navigate into the folder and start the development server.

It demonstrates the full setup process and how to run the app locally.

bash

npx create-next-app@latest my-app
cd my-app
npm run dev

Output

Local: http://localhost:3000
Ready on http://localhost:3000

Common Pitfalls

Common mistakes include:

• Not having Node.js installed or using an outdated version (Next.js requires Node.js 14.6 or newer).
• Running the command inside an existing folder with files, which can cause conflicts.
• Not waiting for the installation to finish before trying to start the server.

Always use a new empty folder or specify a new project name.

bash

Wrong:
npx create-next-app@latest .
# This tries to create the project in the current folder which may have files

Right:
npx create-next-app@latest my-new-app
cd my-new-app
npm run dev

Quick Reference

Summary tips for creating a Next.js project:

• Use npx create-next-app@latest <project-name> to start fresh.
• Ensure Node.js is installed and updated.
• Navigate into your project folder before running npm run dev to start the server.
• Open http://localhost:3000 in your browser to see your app.

Key Takeaways

Use the command npx create-next-app@latest <project-name> to create a new Next.js project easily.

Make sure Node.js 14.6 or newer is installed before starting.

Run npm run dev inside your project folder to launch the development server.

Avoid creating projects inside folders with existing files to prevent conflicts.

Open http://localhost:3000 in your browser to view your Next.js app.