changes

src/main/java/ai/giskard/learnspringwebsockets/WebSocketConfig.java

@@ -12,7 +12,7 @@ public class WebSocketConfig implements WebSocketMessageBrokerConfigurer {
 
     @Override
     public void registerStompEndpoints(StompEndpointRegistry registry) {
-        registry.addEndpoint("/ws");
+        registry.addEndpoint("/ws").setAllowedOrigins("*");
     }
 
     @Override
@@ -20,4 +20,5 @@ public class WebSocketConfig implements WebSocketMessageBrokerConfigurer {
         config.setApplicationDestinationPrefixes("/app");
         config.enableSimpleBroker("/topic", "/queue");
     }
+
 }