To remove the cluster, simply log in to your DigitalOcean control panel and click on the Destroy link, which can be found in the More drop-down menu to the right of each Droplet. Follow the on-screen instructions from there. Make sure you destroy all three Droplets as they will be incurring cost while they are online.
This has been a manual deployment of Kubernetes on low-spec servers. In the next few sections, we are going to look at how to deploy Kubernetes in other public clouds, starting with AWS.