import Router from 'next/router'
import Head from 'next/head'

function HomePage(props) {
   return (
      <>
         
            
         
         
Welcome to Next.js!
          Router.push('/?counter=1', undefined, { shallow: true })}>Reload
         

         
Next stars: {props.stars}
         
      >        
   )
}

export async function getServerSideProps(context) {
   const res = await fetch('https://api.github.com/repos/vercel/next.js')
   const json = await res.json()
   return {
      props: { stars: json.stargazers_count }
   }
}

export default HomePage

npm run dev
> nextjs@1.0.0 dev \Node\nextjs
> next

ready - started server on http://localhost:3000
event - compiled successfully
event - build page: /
wait  - compiling...
event - compiled successfully
event - build page: /next/dist/pages/_error
wait  - compiling...
event - compiled successfully