Kubernetes Basics Tutorial: Ensure Containers Do Not Run As Root

A container is a unit of software that brings code and all of its dependencies together, making it possible to run the application quickly and reliably in different computing environments. Docker containers are standalone, lightweight software packages that include everything you need to run an app, including code, system tools, system libraries, runtime, and settings. Container images become containers at runtime, and containerized software runs the same way in any infrastructure. They’re called containers because they’re contained — they isolate the software from the environment, and they’re designed to run uniformly. Kubernetes, of course, is an open-source container orchestration system. It automates software deployment, scaling, and management. Kubernetes uses pods as the smallest deployable unit, but every pod must contain one or more containers. In other words, you can’t really have Kubernetes without containers. 

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