I use react/express with django as backend.
I am trying to integrate s3 fine uploader and i am getting this issue :Request header field Cache-Control is not allowed by Access-Control-Allow-Headers in preflight response when trying to get signature from django,in a post request.
Normally i make all my request in code using fetch but here i make use of the package https://github.com/FineUploader/react-fine-uploader and it make use of xhr ? any one ran into this issue
Synopsis
ERROR: Request header field Cache-Control is not allowed by Access-Control-Allow-Headers in preflight response.
Frontend:React/express/webpack
Backend:Dajngo
Environment:Local (django server,react local api)
cause: xhr?