config.js

export const sanityConfig = {
  // Find your project ID and dataset in `sanity.json` in your studio project
  dataset: process.env.NEXT_PUBLIC_SANITY_DATASET || 'production',
  projectId: process.env.NEXT_PUBLIC_SANITY_PROJECT_ID,
  useCdn: process.env.NODE_ENV === 'production',
  apiVersion: '2021-03-25',
  // useCdn == true gives fast, cheap responses using a globally distributed cache.
  // Set this to false if your application require the freshest possible
  // data always (potentially slightly slower and a bit more expensive).
}