configure gatsby-plugin-gdpr-cookies plugin

gatsby-config.js

module.exports = {
  plugins: [
    {
      resolve: `gatsby-plugin-gdpr-cookies`,
      options: {
        googleAnalytics: {
          trackingId: 'YOUR_GOOGLE_ANALYTICS_TRACKING_ID',
          // Setting this parameter is optional
          anonymize: true
        },
        facebookPixel: {
          pixelId: 'YOUR_FACEBOOK_PIXEL_ID'
        },
        // Defines the environments where the tracking should be available  - default is ["production"]
        environments: ['production', 'development']
      },
    },
  ],
};