Kubernetes (and other technologies in this space) are all about managing and orchestrating containers. A container is really a name wrapped around a set of Linux technologies, the two most prominent being the container image format and the way Linux can isolate processes from one another, leveraging cgroups.
For all practical purposes, when someone is speaking of a container, they are generally implying that there is an image with everything needed to run a single process. In this context, a container is not only the image, but also the information about what to invoke and how to run it. Containers also act like they have their own network access. In reality, it's being shared by the Linux operating system that's ...
