Seems that this would be from not loading the images service, but the module is loaded. I do not get these errors on the development server.
I think the error is coming from this call image.ServingURL(c, blobKey, nil), where the blobKey is
storageKey := r.FormValue("storageKey")
blobKey, err := blobstore.BlobKeyForFile(c, storageKey)
and the storage key is a key that represents a file in GSE.
Anyone know how to fix this error?
It's possibly because the blobKey you have is referencing a Cloud Storage bucket that your app does not have access to.