L2SS-621: Install our dependencies in the image to speed up the device start, and to avoid redownloading the dependencies a lot when testing/debugging a device. Do recheck the dependencies when we start the containwr.

L2SS-497: Retain the casacore measures on a volume to prevent them from changing on every rebuild. We want to control when they change.

Uses start-ds.sh to prevent duplicate code

These include anything that is required to run setup.py or __init__.py
as these are executed outside the context of packaging.