Minor fix in Docker tagging

.gitlab-ci.yml

@@ -94,7 +94,7 @@ spotbugs:
     - docker build --pull -t $IMAGE_NAME ./$JAVA_PROJECT_NAME
     - "[ ! $CI_COMMIT_TAG ] && docker tag $IMAGE_NAME $DOCKERHUB_ORG/$IMAGE_NAME:${DOCKER_TAG_NAME}latest"
     - "[ ! $CI_COMMIT_TAG ] && docker tag $IMAGE_NAME $DOCKERHUB_ORG/$IMAGE_NAME:$DOCKER_TAG_NAME$CI_COMMIT_SHORT_SHA"
-    - "[ $CI_COMMIT_TAG ] && docker tag $IMAGE_NAME $DOCKERHUB_ORG/$IMAGE_NAME:CI_COMMIT_TAG"
+    - "[ $CI_COMMIT_TAG ] && docker tag $IMAGE_NAME $DOCKERHUB_ORG/$IMAGE_NAME:$CI_COMMIT_TAG"
     - echo $DOCKERHUB_PW | docker login -u $DOCKERHUB_ID --password-stdin
     - docker push $DOCKERHUB_ORG/$IMAGE_NAME
     - docker logout