I don't think that's a fair characterisation. Operational platforms have been built on containers and more are arriving all the time. Red Hat rebuilt OpenShift

I don't think that's a fair characterisation. Operational platforms have been built on containers and more are arriving all the time. Red Hat rebuilt OpenShift on Docker and Kubernetes. I work on Cloud Foundry for Pivotal. There are many others, including self-developed platforms like the one you've built. The general platforms are written to make it easy for operators and developers to remain friends, by sharply drawing the boundaries of who does what. Operations gets manageable black boxes and development gets free platform features (routing, logging, service injection, balancing, healthchecks etc). If a developer needs to care about how these are implemented, or do work above baseline to get these features, then my peers and I have more work to do.