gistfile1.txt

// The middleware configuration is for the handler executors. These do not apply to the swagger.json document.
// The middleware executes after routing but before authentication, binding and validation
func setupMiddlewares(handler http.Handler) http.Handler {
	corsHeaders := cors.New(cors.Options{
		AllowedOrigins: []string{"*"},
		AllowCredentials: true,
		AllowedMethods: []string{"GET", "HEAD", "POST", "DELETE", "PUT"},
		OptionsPassthrough: false,  // I have also tried true here
	})
	handler = corsHeaders.Handler(handler)
	return handler
}