message: Fixed. add "Access-Control-Expose-Headers"
diff: @@ -13,6 +13,7 @@ func SetHeader() goa.Middleware {
  setHeader := func(nextHandler goa.Handler) goa.Handler {
  return func(ctx context.Context, rw http.ResponseWriter, req *http.Request) error {
  rw.Header().Set("Authorization", req.Header.Get("Authorization"))
  + rw.Header().Set("Access-Control-Expose-Headers", "Authorization")
  return nextHandler(ctx, rw, req)
  }
  }
  