deploy: wait doe dcache pod to be created

.gitlab-ci.yml

@@ -39,6 +39,7 @@ deploy:
     - kubectl apply -f deployments/postgresql-service.yml
     - kubectl apply -f deployments/zookeeper.yml
     - kubectl apply -f deployments/dcache-service.yml
+    - while ! kubectl get pod -l app=dcache-door; do sleep 1; done
     - kubectl wait $CHECK_TIMEOUT --for=condition=Ready pod -l app=dcache-door
 
   environment: