At the service level Kubernetes offers deployments https://github.com/kubernetes/kubernetes/tree/master/pkg/controller/deployment https://github.com/kubernetes

At the service level Kubernetes offers deployments https://github.com/kubernetes/kubernetes/tree/master/pkg/controller/deployment https://github.com/kubernetes/kubernetes/tree/master/pkg/con... At an application level then the strategy consists of having two applications deployed and update the application's ingress after the deployment controller finishes updating the deployments.