gatsby-config.js

const path = require('path')

require("dotenv").config({
  path: `.env.${process.env.NODE_ENV}`,
})

module.exports = {
  pathPrefix: process.env.PATH_PREFIX, // need to build with PREFIX_PATHS=true npm run build for this to have effect, also currently loads the bundles from /localizations
  siteMetadata: {
    title: `Eurofurence Registration`,
    description: `Eurofurence registration site.`,
    author: `Eurofurence`,
		twitter: {
			creator: '@eurofurence',
		},
  },
  plugins: [
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        name: `images`,
        path: `${__dirname}/src/images`,
      },
    },
    `gatsby-transformer-sharp`,
    {
			resolve: 'gatsby-plugin-sharp',
			options: {
				defaults: {
					placeholder: 'blurred',
				},
			},
		},
		'gatsby-plugin-image',
    // { // TODO: Enable again after we have an icon.
    //   resolve: `gatsby-plugin-manifest`,
    //   options: {
    //     name: `gatsby-starter-default`,
    //     short_name: `starter`,
    //     start_url: `/`,
    //     background_color: `#663399`,
    //     theme_color: `#663399`,
    //     display: `minimal-ui`,
    //     icon: `src/images/gatsby-icon.png`, // This path is relative to the root of the site.
    //   },
    // },
    {
      resolve: 'gatsby-plugin-i18n',
      options: {
        langKeyDefault: 'en',
        useLangKeyLayout: false
      }
    },
    {
      resolve: `gatsby-alias-imports`,
      options: {
        aliases: {
          // Have to do this because we are using a component library and
          // there is an annoying interaction between peer depencies and `npm link`.
          // See: https://medium.com/@penx/managing-dependencies-in-a-node-package-so-that-they-are-compatible-with-npm-link-61befa5aaca7
          'react': path.resolve('./node_modules/react'),
          'react-dom': path.resolve('./node_modules/react-dom')
        }
      }
    },
		{
			resolve: 'gatsby-plugin-react-svg',
			options: {
				rule: {
					include: /\.inline\.svg$/
				}
			}
		},
    // this (optional) plugin enables Progressive Web App + Offline functionality
    // To learn more, visit: https://gatsby.dev/offline
    // `gatsby-plugin-offline`,
  ],
}