> and it's already been abstracted over by systems like Kubernetes, making Docker itself less and less relevant. But k8s still uses the same concepts used with

> and it's already been abstracted over by systems like Kubernetes, making Docker itself less and less relevant. But k8s still uses the same concepts used with docker-style 'containers', with registries, layered, isolated filesystem, separate networking, ... all in one box. Docker was just a big nudge in the direction of democratising scalable cloud infrastructure/application stacks. Yes it can be used for other stuff, but that's what it's extremely good at.