gatsby-config.js

let contentfulConfig;

try {
  // Load the Contentful config from the .contentful.json
  contentfulConfig = require('./contentful-team');
} catch (_) {}

// Overwrite the Contentful config with environment variables if they exist
contentfulConfig = {
  spaceId: process.env.CONTENTFUL_SPACE_ID || contentfulConfig.spaceId,
  accessToken:
    process.env.CONTENTFUL_DELIVERY_TOKEN || contentfulConfig.accessToken,
};

const { spaceId, accessToken } = contentfulConfig;

if (!spaceId || !accessToken) {
  throw new Error(
    'Contentful spaceId and the delivery token need to be provided.'
  );
}

module.exports = {
  siteMetadata: {
    title: `The Daily TIL`,
    keywords: 'til, today-i-learned, web-development, development, learning',
    description:
      'As software engineers, we figure out how to do lots of things every day. Writing them down helps us actually learn and remember.',
    siteUrl: 'https://todayilearned.io',
  },
  plugins: [
    `gatsby-plugin-sitemap`,
    `gatsby-plugin-react-helmet`,
    // {
    //   resolve: `gatsby-source-filesystem`,
    //   options: {
    //     name: `images`,
    //     path: `${__dirname}/src/images`,
    //   },
    // },
    `gatsby-transformer-sharp`,
    `gatsby-plugin-sharp`,

    // {
    //   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-source-contentful',
      options: contentfulConfig,
    },
    {
      resolve: `gatsby-transformer-remark`,
      options: {
        plugins: [
          {
            resolve: `gatsby-remark-images`,
            options: {
              maxWidth: 590,
            },
          },
          'gatsby-remark-autolink-headers',
          {
            resolve: 'gatsby-remark-prismjs',
            options: {
              inlineCodeMarker: '÷',
            },
          },
          'gatsby-remark-smartypants',
        ],
      },
    },
    {
      resolve: `gatsby-plugin-typography`,
      options: {
        pathToConfigModule: `src/utils/typography`,
      },
    },
    // {
    //   resolve: `gatsby-plugin-segment-js`,
    //   options: {
    //     // your segment write key for your production environment
    //     // when process.env.NODE_ENV === 'production'
    //     // required; non-empty string
    //     prodKey: `w8DpBL4CbIx1ISHBP3DOQqCFVV3S9gbA`,

    //     // if you have a development env for your segment account, paste that key here
    //     // when process.env.NODE_ENV === 'development'
    //     // optional; non-empty string
    //     devKey: `w8DpBL4CbIx1ISHBP3DOQqCFVV3S9gbA`,

    //     // boolean (defaults to false) on whether you want
    //     // to include analytics.page() automatically
    //     // if false, see below on how to track pageviews manually
    //     trackPage: false,
    //   },
    // },

    // this (optional) plugin enables Progressive Web App + Offline functionality
    // To learn more, visit: https://gatsby.app/offline
    // 'gatsby-plugin-offline',
  ],
};