> They are pitched as holy grail which will get rid of entire IT team managing the operating system i.e. upgrades, patching, and configuration management. They

> They are pitched as holy grail which will get rid of entire IT team managing the operating system i.e. upgrades, patching, and configuration management. They don't. Containers push a lot of that responsibility out to the developers. You still need operators if you're running your own IaaS substrate. Disclosure: I work for Pivotal, we do some stuff with containers.