gatsby-config.js

const projectPath = './'
const docsPath = process.env.DOCS_PATH || '../../docs'
const activeEnv = process.env.GATSBY_ACTIVE_ENV || process.env.NODE_ENV || 'development'

console.log(`Using environment config: '${activeEnv}'`)

require("dotenv").config({
  path: `.env.${activeEnv}`,
})

module.exports = {
  siteMetadata: {
    title: `ServerlessStarter`,
    siteUrl: `https://serverless-starter.com`,
    description: `Serverless starter`,
    twitter: `@serverless-starter`,
  },
  mapping: {
    'Mdx.frontmatter.author': 'ContributorsYaml.name'
  },
  plugins: [
    `gatsby-plugin-sass`,
    'gatsby-plugin-react-helmet',
    {
      resolve: `gatsby-plugin-gtag`,
      options: {
        trackingId: process.env.GATSBY_TRACKING_ID,
        head: true,
        anonymize: false,
      },
    },
    {
      resolve: `gatsby-plugin-manifest`,
      options: {
        name: `ServerlessStarter`,
        short_name: `ServerlessStarter`,
        start_url: `/`,
        background_color: `#ffffff`,
        theme_color: `#007bff`,
        display: `minimal-ui`,
        icon: `src/assets/images/logo.png`,
      },
    },
    `gatsby-plugin-offline`,
    {
      resolve: `gatsby-plugin-sitemap`,
      options: {
        serialize: ({site, allSitePage}) =>
          allSitePage.edges.map(edge => {
            if (edge.node.path === '/') {
              return {
                url: site.siteMetadata.siteUrl,
                changefreq: `daily`,
                priority: 1,
              }
            }

            return {
              url: site.siteMetadata.siteUrl + edge.node.path,
              changefreq: `monthly`,
              priority: 0.7,
            }
          })
      }
    },
    {
      resolve: `gatsby-plugin-feed`,
      options: {
        query: `
                  {
                    site {
                      siteMetadata {
                        title
                        description
                        siteUrl
                      }
                    }
                    logo: file(
                      sourceInstanceName: { eq: "images" }
                      relativePath: { eq: "logo.png" }
                    ) {
                      publicURL
                    }
                  }
                `,
        feeds: [
          {
            title: `ServerlessStarter Blog`,
            query: `{
                            articles: allMdx(
                              filter: {fields: {sourceName: {eq: "blog"}}},
                              sort: {fields: frontmatter___date, order: DESC}
                            ) {
                              nodes {
                                id
                                excerpt
                                fields {
                                  slug
                                }
                                frontmatter {
                                  title
                                  tags
                                  author {
                                    name
                                  }
                                  coverSeo {
                                    publicURL
                                    internal {
                                      mediaType
                                    }
                                    size
                                  }
                                  tags
                                  date
                                }
                              }
                            }
                          }
                        `,
            output: `/blog/rss.xml`,
            link: "https://feeds.feedburner.com/serverless-starter-com/blog",
            setup: ({
                      query: {
                        site: {siteMetadata},
                        logo,
                      },
                    }) => {
              return {
                title: siteMetadata.title,
                description: siteMetadata.description,
                feed_url: siteMetadata.siteUrl + `/blog/rss.xml`,
                site_url: siteMetadata.siteUrl,
                image_url: siteMetadata.siteUrl + logo.publicURL,
                generator: `ServerlessStarter`,
              }
            },
            serialize: ({query: {site: {siteMetadata}, articles}}) => {
              return articles.nodes.map((node) => {
                return {
                  title: node.frontmatter.title,
                  description: node.excerpt,
                  url: `${siteMetadata.siteUrl}/blog/${node.fields.slug}`,
                  guid: `${siteMetadata.siteUrl}/blog/${node.fields.slug}`,
                  categories: node.frontmatter.tags,
                  author: node.frontmatter.author.name,
                  date: node.frontmatter.date,
                  enclosure: {
                    url: siteMetadata.siteUrl + node.frontmatter.coverSeo.publicURL,
                    size: node.frontmatter.coverSeo.size,
                    type: node.frontmatter.coverSeo.internal.mediaType,
                  },
                }
              })
            }
          },
        ],
      },
    },
    `gatsby-transformer-yaml`,
    `gatsby-transformer-sharp`,
    `gatsby-plugin-sharp`,
    {
      resolve: `gatsby-plugin-mdx`,
      options: {
        extensions: [`.mdx`, `.md`],
        gatsbyRemarkPlugins: [`gatsby-remark-images`],
        plugins: [`gatsby-remark-images`], // https://github.com/gatsbyjs/gatsby/issues/15486#issuecomment-510153237
      },
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        path: `${projectPath}/src/assets/images`,
        name: 'images',
      },
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        path: `${docsPath}/changelog.yaml`,
        name: 'changelog',
      },
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        path: `${docsPath}/docs.yaml`,
        name: 'doc',
      },
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        path: `${docsPath}/docs`,
        name: 'doc',
      },
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        path: `${docsPath}/contributors`,
        name: 'contributors',
      },
    },
    {
      resolve: `gatsby-source-filesystem`,
      options: {
        path: `${docsPath}/blog`,
        name: 'blog',
      },
    }
  ]
}