diff --git a/core-back-end/build.gradle b/core-back-end/build.gradle
index c80a545..5fbb513 100644
--- a/core-back-end/build.gradle
+++ b/core-back-end/build.gradle
@@ -28,6 +28,7 @@ dependencies {
 //    implementation 'org.keycloak:keycloak-admin-client:23.0.3'
     implementation 'org.springframework.kafka:spring-kafka'
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
+    testImplementation 'org.springframework.security:spring-security-test'
     testImplementation 'io.projectreactor:reactor-test'
 }
 
diff --git a/core-back-end/src/main/java/org/student/CoreApplication.java b/core-back-end/src/main/java/org/student/CoreApplication.java
index 16f6908..87ed4ad 100644
--- a/core-back-end/src/main/java/org/student/CoreApplication.java
+++ b/core-back-end/src/main/java/org/student/CoreApplication.java
@@ -5,7 +5,6 @@
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.springframework.stereotype.Controller;
-import org.springframework.web.bind.annotation.RequestMapping;
 
 @SpringBootApplication
 @Controller
@@ -17,9 +16,4 @@ public static void main(String[] args) {
 		SpringApplication.run(CoreApplication.class, args);
 		logger.info("[CORE MODULE] started.");
 	}
-
-	@RequestMapping("/")
-	public String home() {
-		return "redirect:/admin";
-	}
 }
\ No newline at end of file
diff --git a/core-back-end/src/main/java/org/student/api/FilesController.java b/core-back-end/src/main/java/org/student/api/FilesController.java
new file mode 100644
index 0000000..f2ecf40
--- /dev/null
+++ b/core-back-end/src/main/java/org/student/api/FilesController.java
@@ -0,0 +1,26 @@
+package org.student.api;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.codec.multipart.FilePart;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestPart;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+import reactor.core.publisher.Mono;
+
+@RestController
+@RequestMapping("api/v1/files")
+public class FilesController {
+
+    private static final Logger logger = LogManager.getLogger(FilesController.class);
+
+    @PostMapping("/upload")
+    public Mono<String> uploadFile(@RequestPart("file") Mono<FilePart> filePartMono) {
+        return filePartMono.doOnNext(fp -> logger.info("Received file: " + fp.filename())).
+                then(Mono.just("File uploaded successfully."));
+    }
+
+}
diff --git a/core-back-end/src/main/resources/application.yaml b/core-back-end/src/main/resources/application.yaml
index 079f1c7..902cc5c 100644
--- a/core-back-end/src/main/resources/application.yaml
+++ b/core-back-end/src/main/resources/application.yaml
@@ -1,18 +1,3 @@
-keycloak:
-  auth-server-url: http://localhost:8080/auth
-  realm: myrealm
-  resource: myclient
-  credentials:
-    secret: myclientsecret
-  security-constraints:
-    - securityCollections:
-      - name: secured area
-        authRoles:
-        - user
-        patterns:
-        - /secured/*
-  cors: true
-
 spring:
   kafka:
     bootstrap-servers: localhost:9092
diff --git a/core-back-end/src/test/java/org/student/api/FilesControllerTest.java b/core-back-end/src/test/java/org/student/api/FilesControllerTest.java
new file mode 100644
index 0000000..6108995
--- /dev/null
+++ b/core-back-end/src/test/java/org/student/api/FilesControllerTest.java
@@ -0,0 +1,37 @@
+package org.student.api;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.reactive.WebFluxTest;
+import org.springframework.core.io.ClassPathResource;
+import org.springframework.http.MediaType;
+import org.springframework.http.client.MultipartBodyBuilder;
+import org.springframework.security.test.context.support.WithMockUser;
+import org.springframework.security.test.web.reactive.server.SecurityMockServerConfigurers;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+import org.springframework.test.web.reactive.server.WebTestClient;
+import org.springframework.web.reactive.function.BodyInserters;
+
+@ExtendWith(SpringExtension.class)
+@WebFluxTest(FilesController.class)
+public class FilesControllerTest {
+
+    @Autowired
+    private WebTestClient webTestClient;
+
+    @Test
+    @WithMockUser(username = "user")
+    public void testFileUploading(){
+        ClassPathResource resource = new ClassPathResource("testFile.csv");
+        MultipartBodyBuilder builder = new MultipartBodyBuilder();
+        builder.part("file", resource);
+
+        webTestClient.mutateWith(SecurityMockServerConfigurers.csrf()).post().uri("http://localhost:8888/api/v1/files/upload")
+                .contentType(MediaType.MULTIPART_FORM_DATA)
+                .body(BodyInserters.fromMultipartData(builder.build()))
+                .exchange()
+                .expectStatus().isOk()
+                .expectBody(String.class).isEqualTo("File uploaded successfully.");
+    }
+}
diff --git a/core-back-end/src/test/resources/application.yaml b/core-back-end/src/test/resources/application.yaml
new file mode 100644
index 0000000..84c6fb1
--- /dev/null
+++ b/core-back-end/src/test/resources/application.yaml
@@ -0,0 +1,2 @@
+server:
+  port: 8888
\ No newline at end of file
diff --git a/core-back-end/src/test/resources/testFile.csv b/core-back-end/src/test/resources/testFile.csv
new file mode 100644
index 0000000..b20618a
--- /dev/null
+++ b/core-back-end/src/test/resources/testFile.csv
@@ -0,0 +1 @@
+"test,test"
\ No newline at end of file