gatsby-config.js

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`,
      },
    },
    `gatsby-transformer-sharp`,
    `gatsby-plugin-sharp`,
    {
      resolve: `gatsby-source-ghost`,
      options: {
          apiUrl: `http://localhost:2368`,
          contentApiKey: `PUT CONTENT KEY HERE`,
          version: `v3`
      }
    },
    {
        resolve: `gatsby-plugin-ghost-images`,
        options: {
            // An array of node types and image fields per node
            // Image fields must contain a valid absolute path to the image to be downloaded
            lookup: [
                {
                    type: `GhostPost`,
                    imgTags: [`feature_image`],
                },
                {
                    type: `GhostPage`,
                    imgTags: [`feature_image`],
                },
                {
                    type: `GhostSettings`,
                    imgTags: [`cover_image`],
                },
            ],
            // Additional condition to exclude nodes 
            // Takes precedence over lookup
            exclude: node => (
                node.ghostId === undefined
            ),
            // Additional information messages useful for debugging
            verbose: true,
            // Option to disable the module (default: false)
            disable: false,
        },
    },
    {
      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/gatsby-icon.png`, // This path is relative to the root of the site.
      },
    },
    // this (optional) plugin enables Progressive Web App + Offline functionality
    // To learn more, visit: https://gatsby.dev/offline
    // `gatsby-plugin-offline`,
  ],
}