medium_eks_cluster.tf

module "eks" {
  source                                         = "terraform-aws-modules/eks/aws"
  version                                        = "v17.20.0"
  cluster_name                                   = "dev-cluster"
  cluster_version                                = "1.20"
  subnets                                        = ["10.24.56.128/26", "10.24.56.192/27", "10.24.56.224/27"]
  vpc_id                                         = var.eks_vpc_id
  cluster_endpoint_private_access                = true // In this example, we only want to allow access to the Kubernetes API from within our enterprise network
  cluster_create_endpoint_private_access_sg_rule = true
  cluster_endpoint_private_access_cidrs          = ["10.0.0.0/8"] // Your enterprise CIDR range that should be allowed access to the k8s API

  node_groups_defaults = {
    ami_type  = "AL2_x86_64"
    disk_size = 50
  }

  // Here we're using a managed EKS node group
  node_groups = {
    example = {
      desired_capacity = 2
      max_capacity     = 2
      min_capacity     = 2

      instance_types = ["t3.medium"]
      update_config = {
        max_unavailable_percentage = 50 # or set `max_unavailable`
      }
    }
  }

  depends_on = [
    aws_subnet.extra_az_1a,
    aws_subnet.extra_az_1b,
    aws_subnet.extra_az_1c,
    aws_route_table_association.a,
    aws_route_table_association.b,
    aws_route_table_association.c,
  ]
}