How to apply CORS preflight cache to an entire domain

Question

I am building a REST application that makes use of CORS. Every REST call is different and I am finding that there is significant overhead in getting the preflight OPTIONS ca

Answer 1

One way is that you can point all your API calls to same domain as your front-end. Setup nginx on the front-end server to forward only API calls to API server. This will remove all pre-flight calls.