gatsby-config.js

const config = require('./config/website')
const pathPrefix = config.pathPrefix === '/' ? '' : config.pathPrefix

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

module.exports = {
  pathPrefix: config.pathPrefix,
  siteMetadata: {
    siteUrl: config.siteUrl + pathPrefix,
    title: config.siteTitle,
    twitterHandle: config.twitterHandle,
    description: config.siteDescription,
    keywords: ['Video Blogger'],
    canonicalUrl: config.siteUrl,
    image: config.siteLogo,
    author: {
      name: config.author,
      minibio: `
        <strong>egghead</strong> is the premier place on the internet for 
        experienced developers to enhance their skills and stay current
        in the fast-faced field of web development.
      `,
    },
    organization: {
      name: config.organization,
      url: config.siteUrl,
      logo: config.siteLogo,
    },
    social: {
      twitter: config.twitterHandle,
      fbAppID: '',
    },
  },
  plugins: [
    {
      resolve: 'gatsby-source-filesystem',
      options: {
        path: `${__dirname}/content/blog`,
        name: 'blog',
      },
    },
    {
      resolve: `gatsby-plugin-mdx`,
      options: {
        extensions: ['.mdx', '.md', '.markdown'],
        gatsbyRemarkPlugins: [
          {
            resolve: 'gatsby-remark-images',
            options: {
              backgroundColor: '#fafafa',
              maxWidth: 1035,
            },
          },
        ],
      },
    },
    'gatsby-plugin-sharp',
    'gatsby-transformer-sharp',
    'gatsby-plugin-emotion',
    'gatsby-plugin-catch-links',
    'gatsby-plugin-react-helmet',
    {
      resolve: 'gatsby-plugin-manifest',
      options: {
        name: config.siteTitle,
        short_name: config.siteTitleShort,
        description: config.siteDescription,
        start_url: config.pathPrefix,
        background_color: config.backgroundColor,
        theme_color: config.themeColor,
        display: 'standalone',
        icons: [
          {
            src: '/android-chrome-192x192.png',
            sizes: '192x192',
            type: 'image/png',
          },
          {
            src: '/android-chrome-512x512.png',
            sizes: '512x512',
            type: 'image/png',
          },
        ],
      },
    },
    {
      resolve: `gatsby-plugin-google-analytics`,
      options: {
        trackingId: `GOOGLE_ID`,
      },
    },
    {
      resolve: `gatsby-plugin-feed`,
      options: {
        query: `
          {
            site {
              siteMetadata {
                title
                description
                siteUrl
                site_url: siteUrl
              }
            }
          }
        `,
        feeds: [
          {
            serialize: ({ query: { site, allMdx } }) => {
              return allMdx.edges.map(edge => {
                return Object.assign({}, edge.node.frontmatter, {
                  description: edge.node.excerpt,
                  date: edge.node.fields.date,
                  url: site.siteMetadata.siteUrl + '/' + edge.node.fields.slug,
                  guid: site.siteMetadata.siteUrl + '/' + edge.node.fields.slug,
                })
              })
            },
            query: `
              {
                allMdx(
                  limit: 1000,
                  filter: { frontmatter: { published: { ne: false } } }
                  sort: { order: DESC, fields: [frontmatter___date] }
                ) {
                  edges {
                    node {
                      excerpt(pruneLength: 250)
                      fields { 
                        slug
                        date
                      }
                      frontmatter {
                        title
                      }
                    }
                  }
                }
              }
            `,
            output: '/rss.xml',
            title: 'Blog RSS Feed',
          },
        ],
      },
    },
    {
      resolve: `gatsby-plugin-typography`,
      options: {
        pathToConfigModule: `src/lib/typography`,
      },
    },
    'gatsby-plugin-offline',
  ],
}