Update .gitlab-ci.yml file

.gitlab-ci.yml

@@ -57,7 +57,7 @@ rights-engine-docker-build:
       tag="$CI_COMMIT_REF_SLUG"
       echo "Running on branch '$CI_COMMIT_BRANCH': tag = $tag"
     fi
-    image_name="$CI_REGISTRY_IMAGE:$tag"
+    image_name="$CI_REGISTRY_IMAGE/rights-engine:$tag"
     echo "Docker image name is: $image_name"
   - docker build --pull -t "$image_name" ./src
   - docker push "$image_name"