gatsby-config.js

const path = require('path')

module.exports = {
  siteMetadata: {
    title: `Gatsby Default Starter`,
    description: `Kick off your next, great Gatsby project with this default starter. This barebones starter ships with the main Gatsby configuration files you might need.`,
    author: `@gatsbyjs`,
  },
  plugins: [
    `gatsby-plugin-react-helmet`,
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        name: `images`,
        path: `${__dirname}/src/images`,
      },
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        name: `posts`,
        path: `${__dirname}/posts/`,
      },
    },
    {
      resolve: `gatsby-plugin-mdx`,
      options: {
        name: `posts`,
        mode: process.env.NODE_ENV || 'development',
        extensions: ['.mdx', '.md', '.markdown'],
        gatsbyRemarkPlugins: [
          {
            resolve: `gatsby-remark-embedder`,
            options: {
              customTransformers: [
                // Your custom transformers
              ],
              services: {
                // The service-specific options by the name of the service
              },
            },
          },
          {
            resolve: `gatsby-remark-images`,
            options: {
              maxWidth: 1200,
              wrapperStyle:
                'border-radius: 4px; max-width: 100%; margin-bottom: 0;',
              linkImagesToOriginal: false,
              quality: 100,
            },
          },
        ],
        plugins: [`gatsby-remark-images`],
      },
    },
    `gatsby-transformer-sharp`,
    `gatsby-plugin-sharp`,
    {
      resolve: `gatsby-plugin-manifest`,
      options: {
        name: `gatsby-starter-default`,
        short_name: `starter`,
        start_url: `/`,
        background_color: `#663399`,
        theme_color: `#663399`,
        display: `minimal-ui`,
        icon: `src/images/juan.jpg`, // This path is relative to the root of the site.
      },
    },
    `gatsby-plugin-styled-jsx`,
    `gatsby-plugin-postcss`,
    // this (optional) plugin enables Progressive Web App + Offline functionality
    // To learn more, visit: https://gatsby.dev/offline
    // `gatsby-plugin-offline`,
    {
      resolve: '@aengusm/gatsby-theme-brain',
      options: {
        mdxOtherwiseConfigured: true,
        notesDirectory: 'garden/',
        rootPath: '/',
        rootNote: 'home',
        hideDoubleBrackets: true,
        exclude: [/#\./],
      },
    },
  ],
}