Improve deployment script
Improve deployment script

.. with what we learned from deploying to new servers

eHealthAfrica/nutsurv,eHealthAfrica/nutsurv,johanneswilm/eha-nutsurv-django,johanneswilm/eha-nutsurv-django,johanneswilm/eha-nutsurv-django,eHealthAfrica/nutsurv