run in verbose mode and prompt-to-add-hostkey workaround

.gitlab/ci/ci.yml

@@ -69,6 +69,6 @@ production_deployment:
         - mkdir -p ~/.ssh
         - chmod 700 ~/.ssh
     script:
-        - ssh -A -tt ubuntu@hifis-tp.desy.de
+        - ssh -v -A -tt -o StrictHostKeyChecking=no ubuntu@hifis-tp.desy.de uptime
         - echo $(whoami)
         - exit
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