[nubs]

Docker provides more flexibility. So while you can have developers managing security updates that is definitely not the only way of handling things.

I see a process where ops are responsible for the base images (base os images, and layers for different software stacks) and can handle security updates at will. Developers can maintain small dockerfiles that just install their application on top of the ops-managed image. ops can then be in charge of building (and re-building) the images and deploying them. Of course, that can all be fine-tuned to your liking.