Setting an absolute url for CallbackPath okta .net sdk

I am using the .net aspnetcore okta sdk to integrate an app with okta. I noticed an issue when the app is running within a kube cluster the redirect_uri it forwards to okta is using http instead of https. In the okta settings for the app we can set a CallbackPath, but looks like it can only take in relative urls (that is the url must start with / character)? I am wondering is it possible to specify an absolute url so I can specify the https address explictly.