diff --git a/services/terraform/self-host/keyserver_secondary.tf b/services/terraform/self-host/keyserver_secondary.tf
--- a/services/terraform/self-host/keyserver_secondary.tf
+++ b/services/terraform/self-host/keyserver_secondary.tf
@@ -141,7 +141,7 @@
   enable_execute_command  = true
   enable_ecs_managed_tags = true
   force_new_deployment    = true
-  desired_count           = 1
+  desired_count           = var.desired_secondary_nodes
 
   network_configuration {
     subnets          = [data.aws_subnets.default.ids[0], data.aws_subnets.default.ids[1]]
diff --git a/services/terraform/self-host/variables.tf b/services/terraform/self-host/variables.tf
--- a/services/terraform/self-host/variables.tf
+++ b/services/terraform/self-host/variables.tf
@@ -65,3 +65,8 @@
   type        = string
   default     = "db.t4g.medium"
 }
+
+variable "desired_secondary_nodes" {
+  description = "Desired number of secondary nodes"
+  type        = number
+}