Kubernetes vs Docker: Differences and How They Work Together

Sat, 04 Apr 2026 09:06:51 +0000

Asking whether to use Kubernetes or Docker is a bit like asking whether to buy a truck or build a port. Docker creates and runs containers. Kubernetes coordinates hundreds of containers across dozens of machines. They work at two different levels and are often used together. Alternatively, you might use only Docker, because many projects don’t face the problems that Kubernetes solves.

To understand the difference, it helps to look at the comparison with freight transport, from which these tools borrowed their names and logos: Docker’s whale loads containers, while Kubernetes’ helm (in Greek kubernetes means “helmsman”) guides them.

Containers on Alemasone

Kubernetes vs Docker: Differences and How They Work Together