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-sass`, `gatsby-plugin-react-helmet`, //gatsby-starter-defaultでは既に設定されている { resolve: `gatsby-source-filesystem`,