stacker.news/docker/s3/cors.json

{
  "CORSRules": [
      {
          "AllowedHeaders": [
              "*"
          ],
          "AllowedMethods": [
              "PUT",
              "POST",
              "GET",
              "HEAD"
          ],
          "AllowedOrigins": [
              "http://localhost:3000"
          ],
          "ExposeHeaders": []
      }
  ]
}