gatsby-config.js

const config = require('./src/utils/config.js');

module.exports = {
  siteMetadata: {
    title: config.siteName,
    author: config.author,
    description: config.description,
    siteUrl: config.siteUrl,
  },
  plugins: [
    `gatsby-plugin-styled-components`,
    `gatsby-plugin-react-helmet`,
    `gatsby-plugin-sharp`,
    {
      resolve: `gatsby-plugin-mdx`,
      options: {
        defaultLayouts: {
          default: require.resolve('./src/components/PageLayout.js'),
        },
        gatsbyRemarkPlugins: [
          {
            resolve: `gatsby-remark-images`,
            options: {
              maxWidth: 1035,
              sizeByPixelDensity: true,
            },
          },
        ],
      },
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        name: `posts`,
        path: `${__dirname}/src/content/posts/`,
      },
    },
    {
      resolve: `gatsby-plugin-google-analytics`,
      options: {
        trackingId: config.googleAnalytics,
      },
    },
    {
      resolve: 'gatsby-plugin-manifest',
      options: {
        name: config.siteName,
        short_name: config.siteName,
        start_url: config.siteUrl,
        background_color: config.backgroundColor,
        theme_color: config.themeColor,
        display: 'minimal-ui',
        icon: './static/images/logo.svg',
      },
    },
    `gatsby-plugin-offline`,
    `gatsby-plugin-sitemap`,
  ],
};