fix ci config

.gitlab-ci.yml

@@ -45,4 +45,4 @@ deploy docker image:
     - cd deploy/overlays/production
     - kustomize edit set image registry.edugit.org/teckids/team-pr/teckids.org:$(cat ../../../DIGESTFILE)
     - kustomize build -o output.yaml
-    - kubectl --kubeconfig=/tmp/kubeconfig apply -f $output.yaml
+    - kubectl --kubeconfig=/tmp/kubeconfig apply -f output.yaml