3rdPostQuery.js

export const pageQuery = graphql`
 query BlogPostBySlug($slug: String!) {
   contentfulBlogPost(slug: { eq: $slug }) {
     title
     publishDate(formatString: "MMMM Do, YYYY")
     heroImage {
       fluid(maxWidth: 1180, background: "rgb:000000") {
         ...GatsbyContentfulFluid_tracedSVG
       }
     }
     body {
       childMarkdownRemark {
         html
       }
     }
     contentReferences {
       ...CodeComponentFragment
     }
   }
 }
`