vpc_cidr = "10.0.0.0/16"
azs_count = 3

enable_nat_gateway = true
...

locals {
    eks_managed_node_groups = {
        first = {
            name = "${var.eks_env}-node-group-1"
            instance_types = ["t3.large"] # modify this

            min_size     = 1 # modify this
            max_size     = 3 # modify this
            desired_size = 1 # modify this

            cluster_primary_security_group_id = module.eks.cluster_primary_security_group_id
            vpc_security_group_ids            = [module.eks.node_security_group_id]
        }
    }
}

terraform {
  backend "s3" {
    bucket = "synoti21-eks" # Your Bucket
    key    = "eks/root" # Key in your Bucket
    region = "ap-northeast-2" # Region of your Bucket
  }

  required_providers {
    aws = {
      source  = "hashicorp/aws"
      version = "~> 5.0"
    }
  }
  required_version = "~> 1.3"
}

aws configure

cd root
terraform init
terraform apply -var-file="settings.tfvars"