variable terraform code example

Example 1: terraform define variable

variable "image_id" {
  type        = string
  description = "The id of the machine image (AMI) to use for the server."
}

resource "some_resource" "resource_name" {
image = var.image_id
}

Example 2: how many ways you can create the varible in terraform

terraform apply -var-file="assign.tfvars"