diff --git a/back/pom.xml b/back/pom.xml
index f247760..8b8679b 100644
--- a/back/pom.xml
+++ b/back/pom.xml
@@ -4,12 +4,6 @@
 	<groupId>org.kar</groupId>
 	<artifactId>karusic</artifactId>
 	<version>1.1.1-SNAPSHOT</version>
-	<properties>
-		<maven.compiler.version>3.13.0</maven.compiler.version>
-		<maven.compiler.source>23</maven.compiler.source>
-		<maven.compiler.target>23</maven.compiler.target>
-		<maven.dependency.version>3.1.1</maven.dependency.version>
-	</properties>
 	<repositories>
 		<repository>
 			<id>gitea</id>
@@ -20,7 +14,7 @@
 		<dependency>
 			<groupId>kangaroo-and-rabbit</groupId>
 			<artifactId>archidata</artifactId>
-			<version>0.25.4</version>
+			<version>0.25.6</version>
 		</dependency>
 		<!-- Loopback of logger JDK logging API to SLF4J -->
 		<dependency>
@@ -47,7 +41,7 @@
 		<dependency>
 			<groupId>com.fasterxml.jackson.datatype</groupId>
 			<artifactId>jackson-datatype-jsr310</artifactId>
-			<version>2.18.1</version>
+			<version>2.18.3</version>
 		</dependency>
 		<!--
 		************************************************************ 
@@ -57,24 +51,24 @@
 		<dependency>
 			<groupId>org.junit.jupiter</groupId>
 			<artifactId>junit-jupiter-api</artifactId>
-			<version>5.11.0</version>
+			<version>5.12.1</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.junit.jupiter</groupId>
 			<artifactId>junit-jupiter-engine</artifactId>
-			<version>5.11.0</version>
+			<version>5.12.1</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>net.revelc.code.formatter</groupId>
 			<artifactId>formatter-maven-plugin</artifactId>
-			<version>2.24.1</version>
+			<version>2.25.0</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.maven.plugins</groupId>
 			<artifactId>maven-checkstyle-plugin</artifactId>
-			<version>3.5.0</version>
+			<version>3.6.0</version>
 		</dependency>
 	</dependencies>
 	<build>
@@ -95,10 +89,10 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-compiler-plugin</artifactId>
-				<version>${maven.compiler.version}</version>
+				<version>3.14.0</version>
 				<configuration>
-					<source>${maven.compiler.source}</source>
-					<target>${maven.compiler.target}</target>
+					<source>21</source>
+					<target>21</target>
 				</configuration>
 			</plugin>
 			<plugin>
diff --git a/back/src/org/kar/karusic/api/TrackResource.java b/back/src/org/kar/karusic/api/TrackResource.java
index ac1e6cc..23deffe 100644
--- a/back/src/org/kar/karusic/api/TrackResource.java
+++ b/back/src/org/kar/karusic/api/TrackResource.java
@@ -157,7 +157,7 @@ public class TrackResource {
 			LOGGER.info("    > title: " + title);
 			LOGGER.info("    > fileInputStream: " + fileInputStream);
 			LOGGER.info("    > fileMetaData: " + fileMetaData);
-			/* if (typeId == null) { return Response.status(406). entity("Missong Input 'type'"). type("text/plain"). build(); } */
+			/* if (typeId == null) { return Response.status(406). entity("Missing Input 'type'"). type("text/plain"). build(); } */
 
 			final long tmpUID = DataTools.getTmpDataId();
 			final String sha512 = DataTools.saveTemporaryFile(fileInputStream, tmpUID);
diff --git a/back/test/resources/icon-192x192.png b/back/test/resources/icon-192x192.png
new file mode 100644
index 0000000..af070ea
Binary files /dev/null and b/back/test/resources/icon-192x192.png differ
diff --git a/back/test/src/test/kar/karusic/Common.java b/back/test/src/test/kar/karusic/Common.java
index 508a4f4..2776441 100644
--- a/back/test/src/test/kar/karusic/Common.java
+++ b/back/test/src/test/kar/karusic/Common.java
@@ -2,9 +2,10 @@ package test.kar.karusic;
 
 import java.util.Map;
 
+import org.kar.archidata.filter.PartRight;
 import org.kar.archidata.tools.JWTWrapper;
 
 public class Common {
-	static String USER_TOKEN = JWTWrapper.createJwtTestToken(16512, "test_user_login", "KarAuth", "karusic", Map.of("karusic", Map.of("USER", Boolean.TRUE)));
-	static String ADMIN_TOKEN = JWTWrapper.createJwtTestToken(16512, "test_admin_login", "KarAuth", "karusic", Map.of("karusic", Map.of("USER", Boolean.TRUE, "ADMIN", Boolean.TRUE)));
+	static String USER_TOKEN = JWTWrapper.createJwtTestToken(16512, "test_user_login", "KarAuth", "karusic", Map.of("karusic", Map.of("USER", PartRight.READ)));
+	static String ADMIN_TOKEN = JWTWrapper.createJwtTestToken(16512, "test_admin_login", "KarAuth", "karusic", Map.of("karusic", Map.of("USER", PartRight.READ_WRITE, "ADMIN", PartRight.READ_WRITE)));
 }
diff --git a/back/test/src/test/kar/karusic/ResourceUtils.java b/back/test/src/test/kar/karusic/ResourceUtils.java
new file mode 100644
index 0000000..330b808
--- /dev/null
+++ b/back/test/src/test/kar/karusic/ResourceUtils.java
@@ -0,0 +1,15 @@
+package test.kar.karusic;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URL;
+import java.util.Objects;
+
+public class ResourceUtils {
+
+	public static File getResourceFile(final String resourcePath) throws IOException {
+		final ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
+		final URL resource = Objects.requireNonNull(classLoader.getResource(resourcePath), "Fichier non trouvé : " + resourcePath);
+		return new File(resource.getFile());
+	}
+}
\ No newline at end of file
diff --git a/back/test/src/test/kar/karusic/TestBase.java b/back/test/src/test/kar/karusic/TestHealthCheck.java
similarity index 65%
rename from back/test/src/test/kar/karusic/TestBase.java
rename to back/test/src/test/kar/karusic/TestHealthCheck.java
index 98f373e..c260c2d 100644
--- a/back/test/src/test/kar/karusic/TestBase.java
+++ b/back/test/src/test/kar/karusic/TestHealthCheck.java
@@ -1,21 +1,24 @@
 package test.kar.karusic;
 
 import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.MethodOrderer;
+import org.junit.jupiter.api.Order;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.TestMethodOrder;
 import org.junit.jupiter.api.extension.ExtendWith;
+import org.kar.archidata.exception.RESTErrorResponseException;
 import org.kar.archidata.tools.ConfigBaseVariable;
 import org.kar.archidata.tools.RESTApi;
+import org.kar.karusic.api.HealthCheck.HealthResult;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 @ExtendWith(StepwiseExtension.class)
 @TestMethodOrder(MethodOrderer.OrderAnnotation.class)
-public class TestBase {
-	private final static Logger LOGGER = LoggerFactory.getLogger(TestBase.class);
-	public final static String ENDPOINT_NAME = "species/";
+public class TestHealthCheck {
+	private final static Logger LOGGER = LoggerFactory.getLogger(TestHealthCheck.class);
 
 	static WebLauncherTest webInterface = null;
 	static RESTApi api = null;
@@ -40,9 +43,17 @@ public class TestBase {
 		ConfigureDb.clear();
 	}
 
+	@Order(1)
 	@Test
-	public static void TestEmpty() throws Exception {
+	public void checkHealthCheck() throws Exception {
+		final HealthResult result = api.get(HealthResult.class, "health_check");
+		Assertions.assertEquals(result.value(), "alive and kicking");
+	}
 
+	@Order(2)
+	@Test
+	public void checkHealthCheckWrongAPI() throws Exception {
+		Assertions.assertThrows(RESTErrorResponseException.class, () -> api.get(HealthResult.class, "health_checks"));
 	}
 
 }
diff --git a/back/test/src/test/kar/karusic/TestTrack.java b/back/test/src/test/kar/karusic/TestTrack.java
new file mode 100644
index 0000000..1d66d2e
--- /dev/null
+++ b/back/test/src/test/kar/karusic/TestTrack.java
@@ -0,0 +1,116 @@
+package test.kar.karusic;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.http.HttpResponse;
+import java.nio.file.Files;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.MethodOrderer;
+import org.junit.jupiter.api.Order;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestMethodOrder;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.kar.archidata.tools.ConfigBaseVariable;
+import org.kar.archidata.tools.RESTApi;
+import org.kar.karusic.model.Track;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@ExtendWith(StepwiseExtension.class)
+@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
+public class TestTrack {
+	private final static Logger LOGGER = LoggerFactory.getLogger(TestTrack.class);
+	public final static String ENDPOINT_NAME = "track/";
+	public final static String ENDPOINT_DATA_NAME = "data/";
+
+	static WebLauncherTest webInterface = null;
+	static RESTApi api = null;
+
+	@BeforeAll
+	public static void configureWebServer() throws Exception {
+		ConfigureDb.configure();
+		LOGGER.info("configure server ...");
+		webInterface = new WebLauncherTest();
+		LOGGER.info("Create BDD");
+		webInterface.migrateDB();
+		LOGGER.info("Start REST (BEGIN)");
+		webInterface.process();
+		LOGGER.info("Start REST (DONE)");
+		api = new RESTApi(ConfigBaseVariable.apiAdress);
+		api.setToken(Common.ADMIN_TOKEN);
+	}
+
+	@AfterAll
+	public static void stopWebServer() throws Exception {
+		LOGGER.info("Kill the web server");
+		webInterface.stop();
+		webInterface = null;
+		ConfigureDb.clear();
+	}
+
+	public static boolean compareResponseWithFile(final byte[] responseBody, final File file) throws IOException {
+		final byte[] fileBytes = Files.readAllBytes(file.toPath());
+		if (responseBody == null && fileBytes == null) {
+			return true;
+		}
+		if (responseBody == null || fileBytes == null) {
+			return false;
+		}
+		if (responseBody.length != fileBytes.length) {
+			LOGGER.error("The data have not the same size: {} != {}(ref)", responseBody.length, fileBytes.length);
+			return false;
+		}
+		for (int iii = 0; iii < responseBody.length; iii++) {
+			if (responseBody[iii] != fileBytes[iii]) {
+				LOGGER.error("Detect error at the {}/{} element", iii, responseBody.length);
+				return false;
+			}
+		}
+		return true;
+	}
+
+	@Order(1)
+	@Test
+	public void createTrack() throws Exception {
+		final File dataToUpload = ResourceUtils.getResourceFile("icon-192x192.png");
+		final Track data = new Track();
+		data.name = "test track";
+		data.description = "My track description";
+		final Map<String, Object> multipart = new HashMap<>();
+		multipart.put("title", data.name);
+		multipart.put("genderId", null);
+		multipart.put("artistId", null);
+		multipart.put("albumId", null);
+		multipart.put("trackId", 9);
+		multipart.put("file", dataToUpload);
+
+		final Track inserted = api.postMultipart(Track.class, TestTrack.ENDPOINT_NAME + "upload", multipart);
+
+		Assertions.assertNotNull(inserted);
+		Assertions.assertNotNull(inserted.id);
+		Assertions.assertTrue(inserted.id >= 0);
+		Assertions.assertNull(inserted.updatedAt);
+		Assertions.assertNull(inserted.createdAt);
+		Assertions.assertNull(inserted.deleted);
+		Assertions.assertNotNull(inserted.name);
+		Assertions.assertEquals(data.name, inserted.name);
+		Assertions.assertNotNull(inserted.dataId);
+
+		// Retrieve Data:
+		final HttpResponse<byte[]> retreiveData = api.getRaw(TestTrack.ENDPOINT_DATA_NAME + inserted.dataId);
+
+		Assertions.assertNotNull(retreiveData);
+		Assertions.assertEquals(200, retreiveData.statusCode());
+		Assertions.assertEquals("11999", retreiveData.headers().firstValue("content-length").orElse(null));
+		final String contentType = retreiveData.headers().firstValue("content-type").orElse(null);
+		Assertions.assertEquals("image/png", contentType);
+		Assertions.assertTrue(compareResponseWithFile(retreiveData.body(), dataToUpload));
+
+	}
+
+}
diff --git a/front/src/components/EmptyEnd.tsx b/front/src/components/EmptyEnd.tsx
index b49ff24..4dedc91 100644
--- a/front/src/components/EmptyEnd.tsx
+++ b/front/src/components/EmptyEnd.tsx
@@ -5,7 +5,7 @@ export const EmptyEnd = () => {
     <Box
       width="full"
       height="25%"
-      minHeight="250px"
+      minHeight="calc(max(50vh,500px))"
       // borderWidth="1px"
       // borderColor="red"
     ></Box>
diff --git a/front/src/components/TopBar/TopBar.tsx b/front/src/components/TopBar/TopBar.tsx
index cbcb150..655fcdb 100644
--- a/front/src/components/TopBar/TopBar.tsx
+++ b/front/src/components/TopBar/TopBar.tsx
@@ -171,7 +171,7 @@ export const TopBar = ({
           <LuAlignJustify />
           {isVisible && (
             <Text paddingLeft="3px" fontWeight="bold">
-              Karusic
+              {environment.applName}
             </Text>
           )}
         </HStack>
@@ -303,7 +303,7 @@ export const TopBar = ({
             >
               <HStack {...BUTTON_TOP_BAR_PROPERTY} cursor="pointer">
                 <LuArrowBigLeft />
-                <Span paddingLeft="3px">Karusic</Span>
+                <Span paddingLeft="3px">{environment.applName}</Span>
               </HStack>
             </DrawerHeader>
             <DrawerBody paddingX="0px">
diff --git a/front/src/environment.ts b/front/src/environment.ts
index 0c65c88..c15ee4d 100644
--- a/front/src/environment.ts
+++ b/front/src/environment.ts
@@ -48,39 +48,6 @@ const environment_local: Environment = {
   replaceDataToRealServer: true,
 };
 
-const environment_full_local: Environment = {
-  production: false,
-  // URL of development API
-  applName: 'karusic',
-  defaultServer: 'karusic',
-  server: {
-    karusic: 'http://localhost:19080/karusic/api',
-    karso: 'http://localhost:15080/karso/api',
-  },
-  ssoSite: `${serverSSOAddress}/karso/`,
-  ssoSignIn: 'http://localhost:4200/signin/karusic-dev/',
-  ssoSignUp: 'http://localhost:4200/signup/karusic-dev/',
-  ssoSignOut: 'http://localhost:4200/signout/karusic-dev/',
-  tokenStoredInPermanentStorage: false,
-};
-
-const environment_hybrid: Environment = {
-  production: false,
-  // URL of development API
-  applName: 'karusic',
-  defaultServer: 'karusic',
-  server: {
-    karusic: `${serverSSOAddress}/karusic/api`,
-    karso: `${serverSSOAddress}/karso/api`,
-  },
-  ssoSite: `${serverSSOAddress}/karso/`,
-  ssoSignIn: 'http://localhost:4200/signin/karusic-dev/',
-  ssoSignUp: 'http://localhost:4200/signup/karusic-dev/',
-  ssoSignOut: 'http://localhost:4200/signout/karusic-dev/',
-  tokenStoredInPermanentStorage: false,
-};
-
-
 /**
  * Check if the current environment is for development
  * @returns true if development is active.
diff --git a/front/src/service/session.ts b/front/src/service/session.ts
index 26d25f1..0c06c61 100644
--- a/front/src/service/session.ts
+++ b/front/src/service/session.ts
@@ -37,7 +37,7 @@ export const USERS = {
 export const getUserToken = () => {
   return localStorage.getItem(TOKEN_KEY);
 };
-export type RightPart = 'ADMIN' | 'USER';
+export type RightGroup = 'ADMIN' | 'USER';
 
 export function getRestConfig(): RESTConfig {
   return {
@@ -86,8 +86,8 @@ export type SessionServiceProps = {
   setToken: (token: string) => void;
   clearToken: () => void;
   login?: string;
-  hasReadRight: (part: RightPart) => boolean;
-  hasWriteRight: (part: RightPart) => boolean;
+  hasReadRight: (part: RightGroup) => boolean;
+  hasWriteRight: (part: RightGroup) => boolean;
   getRestConfig: () => RESTConfig;
 };
 
@@ -214,7 +214,7 @@ export const useSessionServiceWrapped = (): SessionServiceProps => {
   }, [clearToken]);
 
   const hasReadRight = useCallback(
-    (part: RightPart) => {
+    (part: RightGroup) => {
       //console.log(`right = ${JSON.stringify(token?.payload?.right?.[environment.applName], null, 2)}`);
       const right = token?.payload?.right?.[environment.applName];
       if (right === undefined) {
@@ -225,7 +225,7 @@ export const useSessionServiceWrapped = (): SessionServiceProps => {
     [token]
   );
   const hasWriteRight = useCallback(
-    (part: RightPart) => {
+    (part: RightGroup) => {
       const right = token?.payload?.right?.[environment.applName];
       if (right === undefined) {
         return false;
@@ -248,7 +248,7 @@ export const useSessionServiceWrapped = (): SessionServiceProps => {
   };
 };
 
-export const useHasRight = (part: RightPart) => {
+export const useHasRight = (part: RightGroup) => {
   const { token, hasReadRight, hasWriteRight } = useSessionService();
   const isReadable = useMemo(() => {
     //console.log(`get is read for: ${part} ==> ${hasReadRight(part)}`);
diff --git a/front/src/utils/debouncedCallback.ts b/front/src/utils/debouncedCallback.ts
new file mode 100644
index 0000000..ea4a30b
--- /dev/null
+++ b/front/src/utils/debouncedCallback.ts
@@ -0,0 +1,39 @@
+import { useCallback, useEffect, useRef, useState } from 'react';
+
+export const useDebouncedCallback = (
+  callback: (...args: any[]) => void,
+  delay: number = 2000
+) => {
+  const timeoutRef = useRef<NodeJS.Timeout | null>(null);
+
+  const debouncedFunction = useCallback(
+    (...args: any[]) => {
+      // Cancel timeout if it previously exist
+      if (timeoutRef.current) {
+        clearTimeout(timeoutRef.current);
+      }
+
+      // start a new timer
+      timeoutRef.current = setTimeout(() => {
+        callback(...args);
+      }, delay);
+    },
+    [callback, delay]
+  );
+
+  return debouncedFunction;
+};
+
+export const useDebounce = <T>(value: T, delay: number = 2000): T => {
+  const [debouncedValue, setDebouncedValue] = useState(value);
+
+  useEffect(() => {
+    const timer = setTimeout(() => {
+      setDebouncedValue(value);
+    }, delay);
+
+    return () => clearTimeout(timer);
+  }, [value, delay]);
+
+  return debouncedValue;
+};
diff --git a/front/src/utils/query.ts b/front/src/utils/query.ts
index 087ee8e..7704b97 100644
--- a/front/src/utils/query.ts
+++ b/front/src/utils/query.ts
@@ -51,11 +51,11 @@ export type useQueryCallProps<RETURN_TYPE, PARAMETER_TYPE> = {
   onSuccess?: (data: RETURN_TYPE) => Promise<RETURN_TYPE>;
   onFail?: (error: RestErrorResponse) => void;
 };
-export const useQueryCall = <TYPE, PARAMETERS>({
+export const useQueryCall = <RETURN_TYPE, PARAMETERS>({
   queryFunction,
   onSuccess,
   onFail,
-}: useQueryCallProps<TYPE, PARAMETERS>) => {
+}: useQueryCallProps<RETURN_TYPE, PARAMETERS>) => {
   const { clearToken } = useSessionService();
   const [isCalling, setIsCalling] = useState<boolean>(true);
   const [error, setError] = useState<RestErrorResponse | undefined>(undefined);