Update to spring 3.4 and refactor according to current suggestions

pom.xml

@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.3.5</version>
+		<version>3.4.0</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 

src/main/java/de/viadee/k8s/testapp/config/NativeReflectionRuntimeHintConfig.java

@@ -26,7 +26,7 @@ public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
             // especially for rendering k8s_env.html
             hints.reflection().registerType(Map.Entry.class, MemberCategory.values());
             // hints.reflection().registerType(HashMap.class, MemberCategory.values());
-            // Innere Klassen
+            // inner classes
            hints.reflection().registerTypeIfPresent(classLoader, "java.util.HashMap$Node"
                     , MemberCategory.values());
 

src/main/java/de/viadee/k8s/testapp/counter/CounterService.java

@@ -10,12 +10,11 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.sql.init.dependency.DependsOnDatabaseInitialization;
 import org.springframework.stereotype.Component;
 
-import java.sql.Timestamp;
-import java.util.Optional;
-
 @Component
+@DependsOnDatabaseInitialization
 public class CounterService {
 
     private static final Logger log = LoggerFactory.getLogger(CounterService.class);
@@ -56,7 +55,7 @@ private void initCounter() {
 
         Optional<CounterEntity> counter = counterRepository.findById(ID);
 
-        if(!counter.isPresent()) {
+        if(counter.isEmpty()) {
             CounterEntity newEntity = new CounterEntity();
             newEntity.setId(ID);
             newEntity.setCounter(0L);

src/main/resources/application.properties

@@ -6,9 +6,9 @@ logging.level.de.viadee=debug
 
 spring.jpa.hibernate.ddl-auto=update
 
-server.tomcat.max-threads=2
+server.tomcat.threads.max=2
 
-management.endpoints.enabled-by-default=true
+management.endpoints.access.default=read-only
 management.endpoints.web.exposure.include=*
 management.health.db.enabled=true
 management.endpoint.health.show-details=always

src/test/java/de/viadee/k8s/testapp/testapp/TestappApplicationTests.java

@@ -4,10 +4,10 @@
 import org.springframework.boot.test.context.SpringBootTest;
 
 @SpringBootTest
-public class TestappApplicationTests {
+class TestappApplicationTests {
 
-	@Test
-	public void contextLoads() {
+    @Test
+    void contextLoads() {
 	}
 
 }