text: const PUBLIC_URL = process.env.PUBLIC_URL || 'http://localhost:8000';
  const GRAPHQL_URL = process.env.GRAPHQL_URL || 'https://api.github.com/graphql';
  const GRAPHQL_TOKEN = process.env.GRAPHQL_TOKEN;
  
  const fullName = 'Frédéric Woelffel';
  const shortName = 'F. Woelffel';
  const position = 'Back-end engineer';
  
  module.exports = {
    siteMetadata: {
      title: fullName,
      position,
      siteUrl: PUBLIC_URL,
      about: `I'm a Node.js expert and javascript/typescript developer, fluent with Nestjs.`,
    },
    plugins: [
      `gatsby-plugin-react-helmet`,
      {
        resolve: `gatsby-source-filesystem`,
        options: {
          name: `images`,
          path: `${__dirname}/src/images`,
        },
      },
      {
        resolve: `gatsby-source-filesystem`,
        options: {
          name: `data`,
          path: `${__dirname}/data`,
        },
      },
      `gatsby-transformer-sharp`,
      `gatsby-plugin-sharp`,
      {
        resolve: `gatsby-plugin-manifest`,
        options: {
          name: fullName,
          short_name: shortName,
          start_url: `/`,
          background_color: `#663399`,
          theme_color: `#663399`,
          display: `minimal-ui`,
          icon: `src/images/favicon.png`,
        },
      },
      'gatsby-plugin-sass',
      'gatsby-transformer-yaml',
      {
        resolve: 'gatsby-source-graphql',
        options: {
          typeName: 'GitHub',
          fieldName: 'github',
          url: GRAPHQL_URL,
          headers: {
            Authorization: `Bearer ${GRAPHQL_TOKEN}`,
          },
        },
      },
      
    ],
  };
  