vercel.json

{
  "version": 2,
  "builds": [
    {
      "src": "package.json",
      "use": "@now/static-build",
      "config": { "distDir": "public" }
    }
  ],
  "routes": [
    { "handle": "filesystem" },
    { "src": "/.*", "status": 404, "dest": "404.html" }
  ],
  "alias": ["diff.uk", "www.diff.uk"],
  "build": {
    "env": {
      "CONTENTFUL_ACCESS_TOKEN": "@contentful-access-token",
      "CONTENTFUL_HOST": "@contentful-host",
      "CONTENTFUL_SPACE_ID": "@contentful-space-id"
    }
  }
}