plugins: [
    // ...
    {
      resolve: `gatsby-transformer-remark`,
      options: {
        plugins: [
          {
            resolve: `gatsby-remark-social-cards`,
            options: {
              title: {
                // This is the frontmatter field the title should come from
                field: "title",
                // Currently only supports DejaVuSansCondensed
                // More fonts coming soon!
                font: "DejaVuSansCondensed",
                color: "black", // black|white
                size: 48, // 16|24|32|48|64
                style: "bold", // normal|bold|italic
                x: null, // Will default to xMargin
                y: null, // Will default to yMargin
              },
              meta: {
                // The parts array is what generates the bottom text
                // Pass an array with strings and objects
                // The following array will generate:
                // "- Author Name » September 13"
                // The objects are used to pull data from your markdown's
                // frontmatter. { field: "author" } pulls the author set
                // in the frontmatter. { field: "category" } would pull
                // the category set. Any field can be used as parts
                // Note: Only pass the "format" property on date fields
                parts: [
                  "- ",
                  { field: "author" },
                  " » ",
                  { field: "date", format: "mmmm dS" },
                ],
                // Currently only supports DejaVuSansCondensed
                // More fonts coming soon!
                font: "DejaVuSansCondensed",
                color: "black", // black|white
                size: 24, // 16|24|32|48|64
                style: "normal", // normal|bold|italic
                x: null, // Will default to xMargin
                y: null, // Will default to cardHeight - yMargin - size
              },
              background = "#FFFFFF", // Background color for the card
              xMargin = 24, // Edge margin used when x value is not set
              yMargin = 24,// Edge margin used when y value is not set
            }
          }
          // ...
        ],
      },
    },
  ],