Applications packaged as container images and deployed to the cloud are mostly managed by automated scheduling and deployment systems like Kubernetes. These systems will kill unhealthy containers, spawn new ones, and route requests to the requisite containers, all automatically. To help achieve these, the deployment manager will need to be able to probe the application instance for some health-related information.
A kubelet
(the Kubernetes “agent”) will probe a container to check if it’s live and ready ...
