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    To deploy a Next.js application under a sub-path of a domain you can use the basePath config option.

    basePath allows you to set a path prefix for the application. For example, to use /docs instead of '' (an empty string, the default), open next.config.js and add the basePath config:

    module.exports = {
      basePath: '/docs',

    Note: This value must be set at build time and cannot be changed without re-building as the value is inlined in the client-side bundles.

    When linking to other pages using next/link and next/router the basePath will be automatically applied.

    For example, using /about will automatically become /docs/about when basePath is set to /docs.

    export default function HomePage() {
      return (
          <Link href="/about">About Page</Link>

    Output html:

    <a href="/docs/about">About Page</a>

    This makes sure that you don't have to change all links in your application when changing the basePath value.


    When using the next/image component, you will need to add the basePath in front of src.

    For example, using /docs/me.png will properly serve your image when basePath is set to /docs.

    import Image from 'next/image';
    function Home() {
      return (
          <h1>My Homepage</h1>
            alt="Picture of the author"
          <p>Welcome to my homepage!</p>
    export default Home;

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