enable multiple domain name

core/module.tf

@@ -55,7 +55,7 @@ variable "kubernetes" {
     external_port          = optional(bool, false)
     service_type           = optional(string, "ClusterIP")
     service_name           = optional(string)
-    domain_name            = optional(string)
+    domain_name            = optional(list(string))
     legacy_domain          = optional(bool, false)
     exposed                = optional(bool, true)
     liveness_tcp_socket    = optional(number)

core/variables.auto.tfvars

@@ -284,7 +284,7 @@ kubernetes = {
     service_port        = [8080, 5000, 8443]
     exposed             = true #no need to set as true but I did it for easy access
     legacy_domain       = true
-    domain_name         = "bitwarden"
+    domain_name         = ["bitwarden"]
     config_map_ref      = ["uid.env"]
     environment         = {}