parameters.tf

locals {
    env = {
        default = {
            instance_type  = "t2.micro"
        }
        dev = {
            instance_type  = "t2.micro"
        }
        stage = {
            instance_type  = "t2.small"
        }
        prod = {
            instance_type  = "t2.medium"
        }
    }
    environmentvars ="${contains(keys(local.env), terraform.workspace) ? terraform.workspace : "default"}"
    workspace = "${merge(local.env["default"], local.env[local.environmentvars])}"
}