Kubernetes
Kubernetes is used to manage the docker containers.
Kubernetes is described as container orchitrastion. That means how containers are run, exposed and all other operations that might be done on a container.
Both Altinn Studio and Altinn Studio Apps consists of many different applications running in docker containers. For the Altinn Studio Apps solution this could possible over time be many thousands containers running different end user apps.
Kubernetes is used to manage the containers.