next.config.js
Document
file ./pages/_document.js
created to override and extend default Document
. It injects meta tags into every page
npm run dev
runs the app in the development mode. Open http://localhost:3000 to view it in the browser.npm run build
builds the app for production to the build
folder. It correctly bundles React in production mode and optimizes the build for the best performance. The build is minified and the filenames include the hashes.npm run start
to run the built app.