variable "availability_zone" { type = string description = "An availability zone for the region" } variable "eip_allocation_id" { type = string description = "The Allocation ID of the Elastic IP address for the gateway" } variable "public_subnet_id" { type = string description = "The public subnet ID in which to place the gateway." } variable "common_tags" { type = object({ Environment = string Product = string }) description = "Default AWS resource's tags" }