Exactly, docker standardizes something that was an otherwise nightmare to maintain across platforms and organizations. Next we need to standardize the orchestrator, my money is on kubernetes, but I wouldn't say it has won over everyone just yet.
Both the pro and the con of K8s is that it's exactly what you make of it and it's extremely flexible.
the company was sold for scrap shortly after this article https://thehftguy.com/2019/10/22/the-demise-of-docker-and-th...