gatsby-config.js

const languages = require('./src/data/languages');

module.exports = {
  siteMetadata: {
    title: `Pandas Eating Lots`,
    languages
  },
  plugins: [
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        name: `src`,
        path: `${__dirname}/src/`,
      },
    },
    `gatsby-plugin-glamor`,
    `gatsby-transformer-remark`,
    {
      resolve: `gatsby-plugin-typography`,
      options: {
        pathToConfigModule: `src/utils/typography`,
      },
    },
    {
      resolve: 'gatsby-plugin-i18n',
      options: {
        langKeyDefault: 'en',
        useLangKeyLayout: false,
        markdownRemark: {
          postPage: 'src/templates/blog-post.js',
          query: `
          {
              allMarkdownRemark {
                  edges {
                  node {
                      fields {
                      slug,
                      langKey
                      }
                  }
                  }
              }
          }
          `
        }
      }
    },
  ],
};