Discrepancy between local and production image URLs with @sanity/image-url

import config from '../../config'
import imageUrlBuilder from '@sanity/image-url'

const builder = imageUrlBuilder(config.source)

export function urlFor(incoming) {
  return builder.image(incoming)
}

const Config = {
  source: {
    projectId: process.env.PROJECT_ID,
    dataset: process.env.DATASET,
    apiVersion: process.env.API_VERSION,
  },
}

module.exports = Config

article.featuredImage && <img src={urlFor(article.featuredImage).width(300).height(500).url()}