One reason a lot of people enjoy using tools like Kubernetes and ECS is their integration with cloud providers. It can be very challenging to configure a cluster by hand, even if you use modern tools like Kubernetes. You have to configure the way your nodes are going to join the cluster and communicate with each other, the service discovery mechanism, and the integration with the extra tools the Cloud offers, like load balancers and persistent storages.
With Kubernetes and ECS , you can launch a cluster without worrying about these issues. Even if you want to build a high-availability ...
