In the container world of today, two words rule in bliss — Docker and Kubernetes. Two extremely popular platforms used for managing containers that for a beginner at least, may also seem to be competing technologies.
In reality, they are complementary. Docker introduced an easy way to build, deploy, and run containers on Linux (and now Windows) machines, and introduced the concept of immutable infrastructure and a hierarchy of images to compose and create new images. Kubernetes, on the other hand, improved upon Docker's notions of managing a cluster of containers and allows you to use the same, immutable container on dozens of machines with failover, scaling instances, and rolling deployment support.
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