While the specifications provide us a common ground, there are also some trends evolving around the choice of OS for our containers. There are several tailor-fit OSes that are being developed specifically to run container workloads. Although implementations vary, they all have similar characteristics. Focus on a slim installation base, atomic OS updating, and signed applications for efficient and secure operations.

One OS that is gaining popularity is CoreOS. CoreOS offers major benefits for both security and resource utilization. It provides the later by removing package dependencies completely from picture. Instead, CoreOS runs all applications and services in containers. By providing only a small set of services required to support running ...

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