add cache-control header for ajax request to by-pass proxy cache

src/main/java/org/springframework/samples/petclinic/PetClinicApplication.java

@@ -2,6 +2,12 @@ package org.springframework.samples.petclinic;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
+import org.springframework.ui.ModelMap;
+import org.springframework.web.context.request.WebRequest;
+import org.springframework.web.context.request.WebRequestInterceptor;
+import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
 
 @SpringBootApplication
 public class PetClinicApplication {
@@ -10,3 +16,4 @@ public class PetClinicApplication {
         SpringApplication.run(PetClinicApplication.class, args);
     }
 }
+

src/main/webapp/scripts/app/app.js

@@ -4,7 +4,11 @@ var petClinicApp = angular.module('petClinicApp', [
     'ngRoute', 'layoutNav', 'layoutFooter', 'layoutWelcome',
     'ownerList', 'ownerDetails', 'ownerForm', 'petForm', 'visits', 'vetList']);
 
-petClinicApp.config(['$locationProvider', '$routeProvider', function ($locationProvider, $routeProvider) {
+petClinicApp.config(['$locationProvider', '$routeProvider', '$httpProvider', function(
+    $locationProvider, $routeProvider, $httpProvider) {
+
+    // safari turns to be lazy sending the Cache-Control header
+    $httpProvider.defaults.headers.common["Cache-Control"] = 'no-cache';
 
     $locationProvider.hashPrefix('!');