gatsby-config.js

const config = require("./data/siteConfig")

module.exports = {
  siteMetadata: {
    siteUrl: config.siteUrl,
  },

  plugins: [
    `gatsby-plugin-react-helmet`,
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        name: `assets`,
        path: `${__dirname}/static/`,
      },
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        name: `posts`,
        path: `${__dirname}/content/`,
      },
    },
    {
      resolve: `gatsby-transformer-remark`,
      options: {
        excerpt_separator: `<!-- end -->`,
        plugins: [
          {
            resolve: `gatsby-remark-images`,
            options: {
              maxWidth: 1280,
            },
          },
          `gatsby-remark-prismjs`,
        ],
      },
    },
    `gatsby-plugin-sass`,
    `gatsby-plugin-sharp`,
    `gatsby-transformer-sharp`,
    {
      resolve: `gatsby-plugin-google-analytics`,
      options: {
        trackingId: config.googleAnalyticsID,
      },
    },
  ],
}