diff --git a/.github/workflows/JavaMavenCI.yml b/.github/workflows/JavaMavenCI.yml
new file mode 100644
index 0000000..690e6e9
--- /dev/null
+++ b/.github/workflows/JavaMavenCI.yml
@@ -0,0 +1,114 @@
+name: Java CI with Maven
+
+on:
+  pull_request:
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+          cache: maven
+      - name: Compile with maven
+        run: mvn clean compile
+
+      - name: Update dependency graph
+        uses: advanced-security/maven-dependency-submission-action@571e99aab1055c2e71a1e2309b9691de18d6b7d6
+
+  checkstyle:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+          cache: maven
+      - name: Compile with maven
+        run: mvn checkstyle:check
+
+  testing:
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+    - name: Set up JDK 21
+      uses: actions/setup-java@v4
+      with:
+        java-version: '21'
+        distribution: 'temurin'
+        cache: maven
+    - name: Compile maven project
+      run: mvn clean compile
+    - name: Test maven project
+      run: mvn test
+    - name: Add coverage to PR
+      id: jacoco
+      uses: madrapps/jacoco-report@v1.6.1
+      with:
+        paths: |
+          ${{ github.workspace }}/**/target/site/jacoco/*.xml
+        token: ${{ secrets.TEST_SECRET }}
+        min-coverage-overall: 50
+        min-coverage-changed-files: 50
+    - name: Upload coverage report
+      uses: actions/upload-artifact@v4
+      with:
+        name: jacoco-report
+        path: ${{ github.workspace }}/**/target/site/jacoco/
+
+    - name: Fail PR if overall coverage is less than 50%
+      if: ${{ steps.jacoco.outputs.coverage-overall < 50.0 }}
+      uses: actions/github-script@v6
+      with:
+        script: |
+          core.setFailed('Overall coverage is less than 50%!')
+
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+      -
+        name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+          cache: maven
+      -
+        name: Package
+        run: mvn clean package
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      -
+        name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+      -
+        name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: ./api/.
+          push: true
+          tags: asavershin/api:latest
diff --git a/api/Dockerfile b/api/Dockerfile
index fd4a080..79aace5 100644
--- a/api/Dockerfile
+++ b/api/Dockerfile
@@ -1,4 +1,4 @@
-FROM openjdk:22
+FROM openjdk:21
 
 WORKDIR /app
 
diff --git a/api/pom.xml b/api/pom.xml
index 38e9914..8fbee14 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -12,8 +12,8 @@
     <artifactId>api</artifactId>
 
     <properties>
-        <maven.compiler.source>22</maven.compiler.source>
-        <maven.compiler.target>22</maven.compiler.target>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <jooq.version>3.19.3</jooq.version>
         <springdoc.starter.version>2.1.0</springdoc.starter.version>
diff --git a/api/src/main/java/com/github/asavershin/api/application/in/services/image/impl/ImageServiceImpl.java b/api/src/main/java/com/github/asavershin/api/application/in/services/image/impl/ImageServiceImpl.java
index 0dcfe82..eb2fc9a 100644
--- a/api/src/main/java/com/github/asavershin/api/application/in/services/image/impl/ImageServiceImpl.java
+++ b/api/src/main/java/com/github/asavershin/api/application/in/services/image/impl/ImageServiceImpl.java
@@ -17,7 +17,6 @@
 
 import java.io.Serializable;
 import java.util.List;
-import java.util.UUID;
 
 @Service
 @RequiredArgsConstructor
@@ -63,10 +62,7 @@ public ImageId storeImage(final UserId userId,
                         ),
                 multipartFile.getSize()
         );
-        // TODO Why minio service store before postgreSQL?
-        var imageId = new ImageId(
-                UUID.fromString(minioService.saveFile(multipartFile))
-        );
+        var imageId = ImageId.nextIdentity();
         storeImageOfUser.storeImageOfUser(
                 new Image(
                         imageId,
@@ -74,6 +70,7 @@ public ImageId storeImage(final UserId userId,
                         userId
                 )
         );
+        minioService.saveFile(multipartFile, imageId.value().toString());
         return imageId;
     }
 
diff --git a/api/src/main/java/com/github/asavershin/api/application/out/FileService.java b/api/src/main/java/com/github/asavershin/api/application/out/FileService.java
index 03d3d05..2691519 100644
--- a/api/src/main/java/com/github/asavershin/api/application/out/FileService.java
+++ b/api/src/main/java/com/github/asavershin/api/application/out/FileService.java
@@ -2,14 +2,15 @@
 
 import java.util.List;
 
-public interface FileService<T, K> {
+public interface FileService<K> {
     /**
      * Saves a file to the storage.
      *
-     * @param file The file object to be saved.
-     * @return The saved file object.
+     * @param file     The file object to be saved.
+     * @param filename The name of the file to be saved.
+     *                 Must be unique.
      */
-    T saveFile(K file);
+    void saveFile(K file, String filename);
     /**
      * Retrieves the content of a file from the storage.
      *
diff --git a/api/src/main/java/com/github/asavershin/api/application/out/MinioService.java b/api/src/main/java/com/github/asavershin/api/application/out/MinioService.java
index 5fb906e..93835cb 100644
--- a/api/src/main/java/com/github/asavershin/api/application/out/MinioService.java
+++ b/api/src/main/java/com/github/asavershin/api/application/out/MinioService.java
@@ -2,5 +2,5 @@
 
 import org.springframework.web.multipart.MultipartFile;
 
-public interface MinioService extends FileService<String, MultipartFile> {
+public interface MinioService extends FileService<MultipartFile> {
 }
diff --git a/api/src/main/java/com/github/asavershin/api/infrastructure/out/storage/MinioServiceIml.java b/api/src/main/java/com/github/asavershin/api/infrastructure/out/storage/MinioServiceIml.java
index 87454b2..055f46b 100644
--- a/api/src/main/java/com/github/asavershin/api/infrastructure/out/storage/MinioServiceIml.java
+++ b/api/src/main/java/com/github/asavershin/api/infrastructure/out/storage/MinioServiceIml.java
@@ -16,7 +16,6 @@
 
 import java.io.InputStream;
 import java.util.List;
-import java.util.UUID;
 
 @Service
 public class MinioServiceIml implements MinioService {
@@ -47,7 +46,7 @@ public MinioServiceIml(final MinioClient aMinioClient,
      * Not final to allow spring use proxy.
      */
     @Override
-    public String saveFile(final MultipartFile image) {
+    public void saveFile(final MultipartFile image, final String filename) {
 
         if (!bucketExists(minioProperties.getBucket())) {
             throw new FileException(
@@ -58,7 +57,6 @@ public String saveFile(final MultipartFile image) {
         if (image.isEmpty() || image.getOriginalFilename() == null) {
             throw new FileException("File must have name");
         }
-        var link = generateFileName();
         InputStream inputStream;
         try {
             inputStream = image.getInputStream();
@@ -66,8 +64,7 @@ public String saveFile(final MultipartFile image) {
             throw new FileException("File upload failed: "
                     + e.getMessage());
         }
-        saveImage(inputStream, link);
-        return link;
+        saveFile(inputStream, filename);
     }
     /**
      * Not final to allow spring use proxy.
@@ -124,7 +121,7 @@ private void createBucket() {
     }
 
     @SneakyThrows
-    private void saveImage(
+    private void saveFile(
             final InputStream inputStream,
             final String fileName
     ) {
@@ -135,10 +132,6 @@ private void saveImage(
                 .build());
     }
 
-    private String generateFileName() {
-        return UUID.randomUUID().toString();
-    }
-
     @SneakyThrows(Exception.class)
     private boolean bucketExists(final String bucketName) {
         return minioClient.bucketExists(
diff --git a/pom.xml b/pom.xml
index ebe7e31..8a09635 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,8 +19,8 @@
 	</modules>
 
 	<properties>
-		<maven.compiler.source>22</maven.compiler.source>
-		<maven.compiler.target>22</maven.compiler.target>
+		<maven.compiler.source>21</maven.compiler.source>
+		<maven.compiler.target>21</maven.compiler.target>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<org.projectlombok.version>1.18.30</org.projectlombok.version>
 		<maven-checkstyle-plugin.version>3.3.1</maven-checkstyle-plugin.version>