fix(backend): add header logging for debug

backend/internal/handlers/auth.go

@@ -266,6 +266,7 @@ func (h *Handler) getRedirectFromCookie(r *http.Request, w http.ResponseWriter)
 }
 func (h *Handler) getRedirectUrl(r *http.Request) (string, error) {
 	// Extract the redirect parameter from the request to get the site URL.
+	printHeaders(r)
 	siteURL := r.Header.Get("X-Forwarded-Uri")
 	if siteURL == "" {
 		siteURL = r.URL.Query().Get("redirect")
@@ -275,3 +276,11 @@ func (h *Handler) getRedirectUrl(r *http.Request) (string, error) {
 	}
 	return siteURL, nil
 }
+func printHeaders(r *http.Request) {
+	for name, values := range r.Header {
+		// Loop over all values for the name.
+		for _, value := range values {
+			fmt.Printf("%s: %s\n", name, value)
+		}
+	}
+}