small changes

Signed-off-by: Peter Siegmund <developer@mars3142.org>

src/main/java/dev/mars3142/fhq/timezone_service/root/web/controller/RootController.java

@@ -1,4 +1,4 @@
-package dev.mars3142.fhq.timezone_service.root.controller.web;
+package dev.mars3142.fhq.timezone_service.root.web.controller;
 
 import java.net.URI;
 import org.springframework.http.HttpStatus;

src/main/java/dev/mars3142/fhq/timezone_service/timezone/domain/model/request/TimeZoneRequest.java

@@ -1,5 +0,0 @@
-package dev.mars3142.fhq.timezone_service.timezone.domain.model.request;
-
-public record TimeZoneRequest(String timezone) {
-
-}

src/main/java/dev/mars3142/fhq/timezone_service/timezone/service/impl/TimeZoneServiceImpl.java

@@ -31,6 +31,7 @@ public class TimeZoneServiceImpl implements TimeZoneService {
   }
 
   @Override
+  @Cacheable(value = "externalIp", key = "{#ip}")
   public String getExternalIp(String ip) {
     var result = ip;
     if (ip.equals("127.0.0.1")) {