Update .gitlab-ci.yml file

.gitlab-ci.yml

@@ -42,8 +42,8 @@ build:
   stage: build
   image: docker:latest
   services:
-    - docker:dind
-    alias: docker
+     - name: docker:dind
+       alias: docker
   before_script:
     - echo "Building Docker image for commit:" ${CI_COMMIT_SHORT_SHA}
     - echo "Logging in to Docker registry..."