gatsby-config.js

const path = require(`path`)

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

const contentfulConfig = {
  spaceId: process.env.CONTENTFUL_SPACE_ID,
  accessToken: process.env.CONTENTFUL_ACCESS_TOKEN,
  host: process.env.CONTENTFUL_HOST,
}

const { spaceId, accessToken } = contentfulConfig

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

module.exports = {
  siteMetadata: {
    title: 'Front-End Weekly',
    description: 'Everything front-end development. From zero to hero',
    url: 'https://frontendweekly.dev', // No trailing slash allowed!
    image: '/fw_logo_large.png', // Path to your image you placed in the 'static' folder
  },

  pathPrefix: '/gatsby-contentful-starter',
  plugins: [
    'gatsby-transformer-remark',
    'gatsby-plugin-react-helmet',
    'gatsby-transformer-sharp',
    'gatsby-plugin-sharp',
    'gatsby-plugin-use-query-params',
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        name: `images`,
        path: path.join(__dirname, `static`),
      },
    },
    {
      resolve: 'gatsby-source-contentful',
      options: contentfulConfig,
    },
  ],
}