diff --git a/aks-cluster/variables.tf b/aks-cluster/variables.tf
index 4bba48a..fdc8377 100644
--- a/aks-cluster/variables.tf
+++ b/aks-cluster/variables.tf
@@ -1,6 +1,6 @@
 variable "app_password" {
   description = "Azure Kubernetes Service Cluster service principal password"
-  sensitive = true
+  sensitive   = true
 }
 
 variable "environment" {
diff --git a/hello-world-ingress.yaml b/hello-world-ingress.yaml
index e91d0cf..748210a 100644
--- a/hello-world-ingress.yaml
+++ b/hello-world-ingress.yaml
@@ -19,4 +19,4 @@ spec:
       - backend:
           serviceName: aks-helloworld
           servicePort: 80
-        path: /
\ No newline at end of file
+        path: /
diff --git a/issuer.yaml b/issuer.yaml
index 1cb0019..fb65ad1 100644
--- a/issuer.yaml
+++ b/issuer.yaml
@@ -9,7 +9,8 @@ spec:
 # Certificates issued by public ACME servers are typically trusted by client’s browsers by default
   acme:
     server: https://acme-v02.api.letsencrypt.org/directory
-    email: user@example.com
+    # Temporary email generated via Temp Mail
+    email: nafifi3179@j24blog.com
     privateKeySecretRef:
       name: letsencrypt
     solvers:
diff --git a/workstations/templates/custom_data.sh b/workstations/templates/custom_data.sh.tpl
similarity index 100%
rename from workstations/templates/custom_data.sh
rename to workstations/templates/custom_data.sh.tpl
diff --git a/workstations/workstations.tf b/workstations/workstations.tf
index 7c249bc..7f24e03 100644
--- a/workstations/workstations.tf
+++ b/workstations/workstations.tf
@@ -162,7 +162,7 @@ resource "azurerm_virtual_machine" "main" {
     computer_name  = each.key
     admin_username = var.workstation_username
     admin_password = var.workstation_password
-    custom_data = templatefile("${path.module}/templates/custom_data.sh",
+    custom_data = templatefile("${path.module}/templates/custom_data.sh.tpl",
       { 
         az_user     = azuread_service_principal.sp.application_id,
         az_password = var.app_password,