gatsby-config.js

const siteAddress = new URL("https://hiform-gatsby.nemac.org")
module.exports = {
  pathPrefix: "/hiform-gatsby",
  siteMetadata: {
    author: `jbliss, dmichelson`,
    githubRepo: `https://github.com/nemac/hiform-gatsby`,
    description: `High-resolution forest mapping`,
    title: `HiForm`,
    siteUrl: "http://localhost:8000",
  },
  plugins: [
    {
      resolve: `gatsby-plugin-breadcrumb`,
      options: {
        defaultCrumb: {
          // location: required and must include the pathname property
          location: {
            pathname: "/",
          },
          // crumbLabel: required label for the default crumb
          crumbLabel: "Home",
          // all other properties optional
          crumbSeparator: " > ",
        },
      },
    },
    {
      resolve: `gatsby-plugin-s3`,
      options: {
        bucketName: "hiform-gatsby.nemac.org",
        protocol: siteAddress.protocol.slice(0, -1),
        hostname: siteAddress.hostname, 
      },
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        name: `images`,
        path: `${__dirname}/static/img`,
      },
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        name: `markdown-pages`,
        path: `${__dirname}/content`,
      },
    },
    {
      resolve: `gatsby-transformer-remark`,
      options: {
        plugins: [
          "gatsby-remark-relative-images",
          "gatsby-plugin-netlify-cms-paths",
          {
            resolve: `gatsby-remark-images`,
            options: {
              wrapperStyle:
                'margin-left: 0!important;',
              maxWidth: 650,
              linkImagesToOriginal: true,
            },
          },
          {
            resolve: 'gatsby-remark-copy-linked-files',
            options: {
              destinationDir: 'static',
            },
          },
          
        ],
      },
    },
    `gatsby-plugin-netlify-cms-paths`,
    `gatsby-plugin-react-helmet`,
    `gatsby-transformer-sharp`,
    `gatsby-plugin-sharp`,
    `gatsby-plugin-material-ui`,
    `gatsby-plugin-sass`,
    `gatsby-plugin-netlify-cms`,
    // this (optional) plugin enables Progressive Web App + Offline functionality
    // To learn more, visit: https://gatsby.dev/offline
    // `gatsby-plugin-offline`,
  ],
}