Update .gitlab-ci.yml file

.gitlab-ci.yml

@@ -17,5 +17,5 @@ build-job:
     - master
   script:
     - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
-    - docker build --pull -t "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG" .
+    - docker build --pull -t "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG" ./cozystack/
     - docker push "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG"
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