npm init 

npm install next antd --save

mkdir pages
touch index.js:

import React from 'react'

export default () => (
  <div>Welcome to next.js!</div>
)

vi package.json
add:

"scripts": {
    "dev": "next",
    "build": "next build",
    "start": "next start"
}

npm run dev

npm run build

npm run start