gatsby-config.js

const {
  NODE_ENV,
  URL: NETLIFY_SITE_URL = 'https://www.mbetka.pl',
  DEPLOY_PRIME_URL: NETLIFY_DEPLOY_URL = NETLIFY_SITE_URL,
  CONTEXT: NETLIFY_ENV = NODE_ENV,
} = process.env;
const isNetlifyProduction = NETLIFY_ENV === 'production';
const siteUrl = isNetlifyProduction ? NETLIFY_SITE_URL : NETLIFY_DEPLOY_URL;
module.exports = {
  siteMetadata: {
    title: `Mateusz Bętka Portfolio`,
    description: `Frontend Developer Mateusz Bętka Portfolio`,
    author: `Mateusz Bętka`,
    siteUrl: siteUrl,
    image: './ogImage.png',
  },

  plugins: [
    {
      resolve: 'gatsby-plugin-robots-txt',
      options: {
        resolveEnv: () => NETLIFY_ENV,
        env: {
          production: {
            policy: [{ userAgent: '*' }],
          },
          'branch-deploy': {
            policy: [{ userAgent: '*', disallow: ['/'] }],
          },
          'deploy-preview': {
            policy: [{ userAgent: '*', disallow: ['/'] }],
          },
        },
      },
    },
    {
      resolve: `gatsby-plugin-sitemap`,
      options: {
        output: `/sitemap.xml`,
      },
    },
    {
      resolve: `gatsby-plugin-typescript`,
      options: {
        isTSX: true,
        jsxPragma: `jsx`,
        allExtensions: true,
      },
    },
    `gatsby-plugin-netlify`,
    `gatsby-plugin-react-helmet`,
    'gatsby-plugin-image',
    `gatsby-transformer-sharp`,
    `gatsby-plugin-sharp`,
    `gatsby-plugin-styled-components`,
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        name: `background`,
        path: `${__dirname}/src/assets`,
      },
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        name: `projects`,
        path: `${__dirname}/static/assets`,
      },
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        name: `images`,
        path: `${__dirname}/static/content/images`,
      },
    },
    {
      resolve: `gatsby-plugin-manifest`,
      options: {
        name: `gatsby-starter-default`,
        short_name: `starter`,
        start_url: `/`,
        background_color: `#663399`,
        theme_color: `#663399`,
        display: `minimal-ui`,
        icon: `./static/favicon.png`,
      },
    },
    {
      resolve: 'gatsby-plugin-react-svg',
      options: {
        rule: {
          include: /assets/,
        },
      },
    },
    {
      resolve: `gatsby-transformer-remark`,
      options: {
        plugins: [
          {
            resolve: `gatsby-remark-images`,
            options: {
              maxWidth: 1920,
            },
          },
        ],
      },
    },
    {
      resolve: 'gatsby-plugin-netlify-cache',
      options: {
        cachePublic: true,
      },
    },
  ],
};