Gatsby on Github

npm i --save gh-pages

src/gastby-config.js:

module.exports = {
  pathPrefix: "/reponame",
};

package.json:

{
  "scripts": {
    "deploy": "gatsby clean && gatsby build --prefix-paths && gh-pages -d public"
  }
}

Source: https://www.gatsbyjs.org/docs/how-gatsby-works-with-github-pages/

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