Store sensitive keytab file outside of /tmp
For https://gitlab.cern.ch/webservices/webframeworks-planning/-/issues/951#note_5656892
Avoid unnecessarily exposing the sensitive keytab file with EOS credentials to other containers
For https://gitlab.cern.ch/webservices/webframeworks-planning/-/issues/951#note_5656892
Avoid unnecessarily exposing the sensitive keytab file with EOS credentials to other containers