gatsby-config.js

const path = require(`path`);

module.exports = {
  siteMetadata: {
    title: "Irmin",
    description: "",
    author: "@tarides_"
  },
  plugins: [
    "gatsby-plugin-sharp",
    "gatsby-plugin-react-helmet",
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        path: `${__dirname}/data/tutorial/`,
        name: `tutorial`
      }
    },
    {
      resolve: `gatsby-transformer-remark`,
      options: {
        pedantic: false,
        plugins: [
          `gatsby-remark-autolink-headers`,
          {
            resolve: `gatsby-remark-images`,
            options: {
              maxWidth: 680
            }
          },
          {
            resolve: `gatsby-remark-prismjs`,
            options: {
              classPrefix: "language-",
              inlineCodeMarker: null,
              aliases: { shell: "shell-session", ocamlskip: "ocaml" },
              showLineNumbers: false,
              noInlineHighlight: true
            }
          }
        ]
      }
    },
    {
      resolve: `gatsby-plugin-google-fonts`,
      options: {
        fonts: [`Ubuntu Mono`, `Titillium Web:400,600,700`]
      }
    }
  ]
};