Rancher K3s - leonardocastanodiaz/terraform-wordpress-ec2 GitHub Wiki
[ITP 2020-03-25]
Why Rancher K3s
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To permit fast development, deployment & destruction we should be using containers See {link to be advised} for that discussion Kubernetes (K8s) is the defacto platform for orchestrating containers but it is resource hungry. Running on no cost local computers is difficult but not impossible (See Install Minikube) but that solution does not support multi-master High Availability (HA) solutions that should be used for production environments.
K3s does support HA set-ups and is a lightweight version of K8s. It has all the functionality of K8s but the lightweight nature of the binary allows local set-ups, even using HA, multi-master configurations.