Public ...

security.tf

module "sg-elasticache" {
  source = "terraform-aws-modules/security-group/aws"

  name        = "sg_elasticache"
  description = "Guardian of ElastiCache Cluster"
  vpc_id      = ""

  egress_rules = ["all-all"]
  ingress_with_cidr_blocks = [
    {
      from_port   = 6379
      to_port     = 6379
      protocol    = "tcp"
      description = "Redis"
      cidr_blocks = "0.0.0.0/0"
    }
  ]
}

versions.tf

terraform {
  required_providers {
    aws = {
      source = "hashicorp/aws"
    }
  }
  required_version = ">= 0.13"
}