* Allow groups of workers to be defined and joined to a cluster (i.e. worker pools) * Move worker resources into a Terraform submodule * Output variables needed for passing to worker pools * Add usage docs for AWS worker pools (advanced)
* Require terraform-provider-aws 1.7 or higher
* Expose the Ingress ELB DNS name so application DNS records can be defined in Terraform to resolve to the Ingress ELB