diff --git a/examples/osdu/main.tf b/examples/osdu/main.tf
index aecac4d2f115a83ba80e0acb6fda458378706d79..15f6f01b1c2767a232318d2d82611eae44f8453e 100644
--- a/examples/osdu/main.tf
+++ b/examples/osdu/main.tf
@@ -98,17 +98,11 @@ module "osdu_k8s" {
   composer_name        = module.osdu.composer_name
   composer_location    = module.osdu.composer_location
   airflow_url          = module.osdu.airflow_url
-  airflow_sa           = module.osdu.airflow_sa
-  workflow_account     = module.osdu.workflow_sa
-  infra_bootstrap_sa   = module.osdu.infra_bootstrap_sa
   postgresql_password  = module.osdu.postgresql_password
   elastic_enabled      = module.osdu.elastic_enabled
   elastic_port         = module.osdu.elastic_port
   elastic_pass         = module.osdu.elastic_password
   sql_connection_name  = module.osdu.sql_connection_name
-  bootstrap_sa         = module.osdu.datafier_sa
-  policy_bootstrap_sa  = module.osdu.policy_bootstrap_sa
-  storage_sa_email     = module.osdu.storage_sa_email
   ingress_domain       = module.osdu.ingress_domain
   services_namespace   = module.osdu.service_namespace
   policy_enabled       = var.policy_enabled
diff --git a/examples/simple_osdu/main.tf b/examples/simple_osdu/main.tf
index 530a97382ab6a9b43ed2880f6293fc8ef2cc255c..9697bd2bc539e484d3e3f4b1c77711a6a87d898b 100644
--- a/examples/simple_osdu/main.tf
+++ b/examples/simple_osdu/main.tf
@@ -57,30 +57,15 @@ module "osdu_k8s" {
 
   project_id          = var.project_id
   admin_user_email    = var.admin_user_email
-  database_id         = module.osdu.database_id
-  tier                = module.osdu.tier
-  autoscaling         = module.osdu.autoscaling
-  data_partition_name = module.osdu.data_partition_name
-  cluster_endpoint    = module.osdu.gke_host
+  ingress_domain      = module.osdu.ingress_domain
+  elastic_pass        = module.osdu.elastic_password
+  postgresql_password = module.osdu.postgresql_password
   cluster_name        = module.osdu.gke_name
-  cluster_location    = module.osdu.gke_location
-  dag_bucket          = module.osdu.dag_bucket
-  composer_name       = module.osdu.composer_name
-  composer_location   = module.osdu.composer_location
   airflow_url         = module.osdu.airflow_url
-  airflow_sa          = module.osdu.airflow_sa
-  workflow_account    = module.osdu.workflow_sa
-  infra_bootstrap_sa  = module.osdu.infra_bootstrap_sa
-  postgresql_password = module.osdu.postgresql_password
-  elastic_enabled     = module.osdu.elastic_enabled
-  elastic_port        = module.osdu.elastic_port
-  elastic_pass        = module.osdu.elastic_password
+  cluster_endpoint    = module.osdu.gke_host
+  composer_name       = module.osdu.composer_name
+  dag_bucket          = module.osdu.dag_bucket
   sql_connection_name = module.osdu.sql_connection_name
-  bootstrap_sa        = module.osdu.datafier_sa
-  policy_bootstrap_sa = module.osdu.policy_bootstrap_sa
-  storage_sa_email    = module.osdu.storage_sa_email
-  ingress_domain      = module.osdu.ingress_domain
-  services_namespace  = module.osdu.service_namespace
 
   providers = {
     helm       = helm
diff --git a/modules/osdu_k8s/helm_entitlements.tf b/modules/osdu_k8s/helm_entitlements.tf
index 9e7c9810a763a6a3ca4d662531003ab5941a40e5..fcb7c2e8c77b5ecf27a5f26c9df9e133c39780ef 100644
--- a/modules/osdu_k8s/helm_entitlements.tf
+++ b/modules/osdu_k8s/helm_entitlements.tf
@@ -15,6 +15,10 @@
 *  limitations under the License.
 */
 
+locals {
+  airflow_service_account = var.airflow_sa == "" ? "airflow-sa@${var.project_id}.iam.gserviceaccount.com" : var.airflow_sa
+}
+
 resource "helm_release" "entitlements" {
   depends_on = [
     helm_release.partition,
@@ -58,7 +62,7 @@ resource "helm_release" "entitlements" {
   }
   set {
     name  = "data.airflowComposerEmail"
-    value = var.airflow_sa
+    value = local.airflow_service_account
   }
   set {
     name  = "data.sqlConnectionString"
diff --git a/modules/osdu_k8s/helm_storage.tf b/modules/osdu_k8s/helm_storage.tf
index b631bc3efa38f1cc14bcb78a6cce55b606b98fd6..5bc8b11da59d9b1f6af28a94e61ee490f12bdcdc 100644
--- a/modules/osdu_k8s/helm_storage.tf
+++ b/modules/osdu_k8s/helm_storage.tf
@@ -15,6 +15,10 @@
 *  limitations under the License.
 */
 
+locals {
+  storage_service_account = var.storage_sa_email == "" ? "wi-storage-gc@${var.project_id}.iam.gserviceaccount.com" : var.storage_sa_email
+}
+
 resource "helm_release" "storage" {
 
   name            = "storage"
@@ -47,7 +51,7 @@ resource "helm_release" "storage" {
   }
   set {
     name  = "data.storageServiceAccountEmail"
-    value = var.storage_sa_email
+    value = local.storage_service_account
   }
   set {
     name  = "data.bootstrapServiceAccountName"
diff --git a/modules/osdu_k8s/inputs.tf b/modules/osdu_k8s/inputs.tf
index c17ad9d4a92bdeccdf77ab6f15618426c034c9e5..a79e5a0eb1deb201136b3c755917df90438338a8 100644
--- a/modules/osdu_k8s/inputs.tf
+++ b/modules/osdu_k8s/inputs.tf
@@ -48,7 +48,7 @@ variable "cluster_endpoint" {
 variable "cluster_location" {
   description = "GKE cluster location"
   type        = string
-  default     = ""
+  default     = "us-central1-b"
 }
 
 variable "cluster_name" {
@@ -60,7 +60,7 @@ variable "cluster_name" {
 variable "composer_location" {
   description = "Location of the external composer"
   type        = string
-  default     = ""
+  default     = "us-central1"
 }
 
 variable "composer_name" {
@@ -131,7 +131,7 @@ variable "upgrade" {
 variable "workflow_account" {
   description = "Workflow service SA name"
   type        = string
-  default     = ""
+  default     = "wi-workflow-gc"
 }
 # --- End of Global inputs --- #
 
@@ -139,6 +139,7 @@ variable "workflow_account" {
 variable "elastic_enabled" {
   description = "Enable Elasticsearch installation"
   type        = bool
+  default     = true
 }
 
 variable "elastic_host" {
@@ -156,7 +157,7 @@ variable "elastic_pass" {
 variable "elastic_port" {
   description = "Elastic port"
   type        = string
-  default     = ""
+  default     = "9200"
 }
 
 variable "elastic_user" {
@@ -184,7 +185,7 @@ variable "airflow_sa" {
 variable "bootstrap_sa" {
   description = "Service bootstrap SA name"
   type        = string
-  default     = ""
+  default     = "datafier"
 }
 
 variable "crs-catalog_sa" {
@@ -196,13 +197,13 @@ variable "crs-catalog_sa" {
 variable "infra_bootstrap_sa" {
   description = "Infra bootstrap SA name"
   type        = string
-  default     = ""
+  default     = "infra-bootstrap"
 }
 
 variable "policy_bootstrap_sa" {
   description = "Policy bootstrap SA name"
   type        = string
-  default     = ""
+  default     = "policy-bootstrap"
 }
 
 variable "postgresql_password" {