diff --git a/modules/gke-cluster-standard/README.md b/modules/gke-cluster-standard/README.md
index 7337e0a025..2419567950 100644
--- a/modules/gke-cluster-standard/README.md
+++ b/modules/gke-cluster-standard/README.md
@@ -274,10 +274,9 @@ module "cluster-1" {
       "backup-1" = {
         region   = "europe-west2"
         schedule = "0 9 * * 1"
-        applications = [{
-          namespace = "test"
-          name      = "app1"
-        }]
+        applications = {
+          namespace-1 = ["app-1", "app-2"]
+        }
       }
     }
   }
@@ -311,28 +310,28 @@ module "cluster-1" {
 
 | name | description | type | required | default |
 |---|---|:---:|:---:|:---:|
-| [location](variables.tf#L156) | Cluster zone or region. | <code>string</code> | ✓ |  |
-| [name](variables.tf#L267) | Cluster name. | <code>string</code> | ✓ |  |
-| [project_id](variables.tf#L293) | Cluster project id. | <code>string</code> | ✓ |  |
-| [vpc_config](variables.tf#L316) | VPC-level configuration. | <code title="object&#40;&#123;&#10;  network                &#61; string&#10;  subnetwork             &#61; string&#10;  master_ipv4_cidr_block &#61; optional&#40;string&#41;&#10;  secondary_range_blocks &#61; optional&#40;object&#40;&#123;&#10;    pods     &#61; string&#10;    services &#61; string&#10;  &#125;&#41;&#41;&#10;  secondary_range_names &#61; optional&#40;object&#40;&#123;&#10;    pods     &#61; optional&#40;string, &#34;pods&#34;&#41;&#10;    services &#61; optional&#40;string, &#34;services&#34;&#41;&#10;  &#125;&#41;&#41;&#10;  master_authorized_ranges &#61; optional&#40;map&#40;string&#41;&#41;&#10;  stack_type               &#61; optional&#40;string&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> | ✓ |  |
-| [backup_configs](variables.tf#L17) | Configuration for Backup for GKE. | <code title="object&#40;&#123;&#10;  enable_backup_agent &#61; optional&#40;bool, false&#41;&#10;  backup_plans &#61; optional&#40;map&#40;object&#40;&#123;&#10;    applications &#61; optional&#40;list&#40;object&#40;&#123;&#10;      namespace &#61; string&#10;      name      &#61; string&#10;    &#125;&#41;&#41;&#41;&#10;    encryption_key                    &#61; optional&#40;string&#41;&#10;    include_secrets                   &#61; optional&#40;bool, true&#41;&#10;    include_volume_data               &#61; optional&#40;bool, true&#41;&#10;    namespaces                        &#61; optional&#40;list&#40;string&#41;&#41;&#10;    region                            &#61; string&#10;    schedule                          &#61; string&#10;    retention_policy_days             &#61; optional&#40;string, 1&#41;&#10;    retention_policy_lock             &#61; optional&#40;bool, false&#41;&#10;    retention_policy_delete_lock_days &#61; optional&#40;string&#41;&#10;  &#125;&#41;&#41;, &#123;&#125;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>&#123;&#125;</code> |
-| [cluster_autoscaling](variables.tf#L41) | Enable and configure limits for Node Auto-Provisioning with Cluster Autoscaler. | <code title="object&#40;&#123;&#10;  auto_provisioning_defaults &#61; optional&#40;object&#40;&#123;&#10;    boot_disk_kms_key &#61; optional&#40;string&#41;&#10;    image_type        &#61; optional&#40;string&#41;&#10;    oauth_scopes      &#61; optional&#40;list&#40;string&#41;&#41;&#10;    service_account   &#61; optional&#40;string&#41;&#10;  &#125;&#41;&#41;&#10;  cpu_limits &#61; optional&#40;object&#40;&#123;&#10;    min &#61; number&#10;    max &#61; number&#10;  &#125;&#41;&#41;&#10;  mem_limits &#61; optional&#40;object&#40;&#123;&#10;    min &#61; number&#10;    max &#61; number&#10;  &#125;&#41;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>null</code> |
-| [deletion_protection](variables.tf#L62) | Whether or not to allow Terraform to destroy the cluster. Unless this field is set to false in Terraform state, a terraform destroy or terraform apply that would delete the cluster will fail. | <code>bool</code> |  | <code>true</code> |
-| [description](variables.tf#L69) | Cluster description. | <code>string</code> |  | <code>null</code> |
-| [enable_addons](variables.tf#L75) | Addons enabled in the cluster (true means enabled). | <code title="object&#40;&#123;&#10;  cloudrun                       &#61; optional&#40;bool, false&#41;&#10;  config_connector               &#61; optional&#40;bool, false&#41;&#10;  dns_cache                      &#61; optional&#40;bool, false&#41;&#10;  gce_persistent_disk_csi_driver &#61; optional&#40;bool, false&#41;&#10;  gcp_filestore_csi_driver       &#61; optional&#40;bool, false&#41;&#10;  horizontal_pod_autoscaling     &#61; optional&#40;bool, false&#41;&#10;  http_load_balancing            &#61; optional&#40;bool, false&#41;&#10;  istio &#61; optional&#40;object&#40;&#123;&#10;    enable_tls &#61; bool&#10;  &#125;&#41;&#41;&#10;  kalm           &#61; optional&#40;bool, false&#41;&#10;  network_policy &#61; optional&#40;bool, false&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code title="&#123;&#10;  horizontal_pod_autoscaling &#61; true&#10;  http_load_balancing        &#61; true&#10;&#125;">&#123;&#8230;&#125;</code> |
-| [enable_features](variables.tf#L98) | Enable cluster-level features. Certain features allow configuration. | <code title="object&#40;&#123;&#10;  binary_authorization &#61; optional&#40;bool, false&#41;&#10;  cost_management      &#61; optional&#40;bool, false&#41;&#10;  dns &#61; optional&#40;object&#40;&#123;&#10;    provider &#61; optional&#40;string&#41;&#10;    scope    &#61; optional&#40;string&#41;&#10;    domain   &#61; optional&#40;string&#41;&#10;  &#125;&#41;&#41;&#10;  database_encryption &#61; optional&#40;object&#40;&#123;&#10;    state    &#61; string&#10;    key_name &#61; string&#10;  &#125;&#41;&#41;&#10;  dataplane_v2         &#61; optional&#40;bool, false&#41;&#10;  fqdn_network_policy  &#61; optional&#40;bool, false&#41;&#10;  gateway_api          &#61; optional&#40;bool, false&#41;&#10;  groups_for_rbac      &#61; optional&#40;string&#41;&#10;  intranode_visibility &#61; optional&#40;bool, false&#41;&#10;  l4_ilb_subsetting    &#61; optional&#40;bool, false&#41;&#10;  mesh_certificates    &#61; optional&#40;bool&#41;&#10;  pod_security_policy  &#61; optional&#40;bool, false&#41;&#10;  resource_usage_export &#61; optional&#40;object&#40;&#123;&#10;    dataset                              &#61; string&#10;    enable_network_egress_metering       &#61; optional&#40;bool&#41;&#10;    enable_resource_consumption_metering &#61; optional&#40;bool&#41;&#10;  &#125;&#41;&#41;&#10;  shielded_nodes &#61; optional&#40;bool, false&#41;&#10;  tpu            &#61; optional&#40;bool, false&#41;&#10;  upgrade_notifications &#61; optional&#40;object&#40;&#123;&#10;    topic_id &#61; optional&#40;string&#41;&#10;  &#125;&#41;&#41;&#10;  vertical_pod_autoscaling &#61; optional&#40;bool, false&#41;&#10;  workload_identity        &#61; optional&#40;bool, true&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code title="&#123;&#10;  workload_identity &#61; true&#10;&#125;">&#123;&#8230;&#125;</code> |
-| [issue_client_certificate](variables.tf#L144) | Enable issuing client certificate. | <code>bool</code> |  | <code>false</code> |
-| [labels](variables.tf#L150) | Cluster resource labels. | <code>map&#40;string&#41;</code> |  | <code>null</code> |
-| [logging_config](variables.tf#L161) | Logging configuration. | <code title="object&#40;&#123;&#10;  enable_system_logs             &#61; optional&#40;bool, true&#41;&#10;  enable_workloads_logs          &#61; optional&#40;bool, false&#41;&#10;  enable_api_server_logs         &#61; optional&#40;bool, false&#41;&#10;  enable_scheduler_logs          &#61; optional&#40;bool, false&#41;&#10;  enable_controller_manager_logs &#61; optional&#40;bool, false&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>&#123;&#125;</code> |
-| [maintenance_config](variables.tf#L182) | Maintenance window configuration. | <code title="object&#40;&#123;&#10;  daily_window_start_time &#61; optional&#40;string&#41;&#10;  recurring_window &#61; optional&#40;object&#40;&#123;&#10;    start_time &#61; string&#10;    end_time   &#61; string&#10;    recurrence &#61; string&#10;  &#125;&#41;&#41;&#10;  maintenance_exclusions &#61; optional&#40;list&#40;object&#40;&#123;&#10;    name       &#61; string&#10;    start_time &#61; string&#10;    end_time   &#61; string&#10;    scope      &#61; optional&#40;string&#41;&#10;  &#125;&#41;&#41;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code title="&#123;&#10;  daily_window_start_time &#61; &#34;03:00&#34;&#10;  recurring_window        &#61; null&#10;  maintenance_exclusion   &#61; &#91;&#93;&#10;&#125;">&#123;&#8230;&#125;</code> |
-| [max_pods_per_node](variables.tf#L205) | Maximum number of pods per node in this cluster. | <code>number</code> |  | <code>110</code> |
-| [min_master_version](variables.tf#L211) | Minimum version of the master, defaults to the version of the most recent official release. | <code>string</code> |  | <code>null</code> |
-| [monitoring_config](variables.tf#L217) | Monitoring configuration. Google Cloud Managed Service for Prometheus is enabled by default. | <code title="object&#40;&#123;&#10;  enable_system_metrics &#61; optional&#40;bool, true&#41;&#10;  enable_api_server_metrics         &#61; optional&#40;bool, false&#41;&#10;  enable_controller_manager_metrics &#61; optional&#40;bool, false&#41;&#10;  enable_scheduler_metrics          &#61; optional&#40;bool, false&#41;&#10;  enable_daemonset_metrics   &#61; optional&#40;bool, false&#41;&#10;  enable_deployment_metrics  &#61; optional&#40;bool, false&#41;&#10;  enable_hpa_metrics         &#61; optional&#40;bool, false&#41;&#10;  enable_pod_metrics         &#61; optional&#40;bool, false&#41;&#10;  enable_statefulset_metrics &#61; optional&#40;bool, false&#41;&#10;  enable_storage_metrics     &#61; optional&#40;bool, false&#41;&#10;  enable_managed_prometheus &#61; optional&#40;bool, true&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>&#123;&#125;</code> |
-| [node_locations](variables.tf#L272) | Zones in which the cluster's nodes are located. | <code>list&#40;string&#41;</code> |  | <code>&#91;&#93;</code> |
-| [private_cluster_config](variables.tf#L279) | Private cluster configuration. | <code title="object&#40;&#123;&#10;  enable_private_endpoint &#61; optional&#40;bool&#41;&#10;  master_global_access    &#61; optional&#40;bool&#41;&#10;  peering_config &#61; optional&#40;object&#40;&#123;&#10;    export_routes &#61; optional&#40;bool&#41;&#10;    import_routes &#61; optional&#40;bool&#41;&#10;    project_id    &#61; optional&#40;string&#41;&#10;  &#125;&#41;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>null</code> |
-| [release_channel](variables.tf#L298) | Release channel for GKE upgrades. | <code>string</code> |  | <code>null</code> |
-| [service_account](variables.tf#L304) | Service account used for the default node pool, only useful if the default GCE service account has been disabled. | <code>string</code> |  | <code>null</code> |
-| [tags](variables.tf#L310) | Network tags applied to nodes. | <code>list&#40;string&#41;</code> |  | <code>null</code> |
+| [location](variables.tf#L153) | Cluster zone or region. | <code>string</code> | ✓ |  |
+| [name](variables.tf#L264) | Cluster name. | <code>string</code> | ✓ |  |
+| [project_id](variables.tf#L290) | Cluster project id. | <code>string</code> | ✓ |  |
+| [vpc_config](variables.tf#L313) | VPC-level configuration. | <code title="object&#40;&#123;&#10;  network                &#61; string&#10;  subnetwork             &#61; string&#10;  master_ipv4_cidr_block &#61; optional&#40;string&#41;&#10;  secondary_range_blocks &#61; optional&#40;object&#40;&#123;&#10;    pods     &#61; string&#10;    services &#61; string&#10;  &#125;&#41;&#41;&#10;  secondary_range_names &#61; optional&#40;object&#40;&#123;&#10;    pods     &#61; optional&#40;string, &#34;pods&#34;&#41;&#10;    services &#61; optional&#40;string, &#34;services&#34;&#41;&#10;  &#125;&#41;&#41;&#10;  master_authorized_ranges &#61; optional&#40;map&#40;string&#41;&#41;&#10;  stack_type               &#61; optional&#40;string&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> | ✓ |  |
+| [backup_configs](variables.tf#L17) | Configuration for Backup for GKE. | <code title="object&#40;&#123;&#10;  enable_backup_agent &#61; optional&#40;bool, false&#41;&#10;  backup_plans &#61; optional&#40;map&#40;object&#40;&#123;&#10;    region                            &#61; string&#10;    applications                      &#61; optional&#40;map&#40;list&#40;string&#41;&#41;&#41;&#10;    encryption_key                    &#61; optional&#40;string&#41;&#10;    include_secrets                   &#61; optional&#40;bool, true&#41;&#10;    include_volume_data               &#61; optional&#40;bool, true&#41;&#10;    namespaces                        &#61; optional&#40;list&#40;string&#41;&#41;&#10;    schedule                          &#61; optional&#40;string&#41;&#10;    retention_policy_days             &#61; optional&#40;number&#41;&#10;    retention_policy_lock             &#61; optional&#40;bool, false&#41;&#10;    retention_policy_delete_lock_days &#61; optional&#40;number&#41;&#10;  &#125;&#41;&#41;, &#123;&#125;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>&#123;&#125;</code> |
+| [cluster_autoscaling](variables.tf#L38) | Enable and configure limits for Node Auto-Provisioning with Cluster Autoscaler. | <code title="object&#40;&#123;&#10;  auto_provisioning_defaults &#61; optional&#40;object&#40;&#123;&#10;    boot_disk_kms_key &#61; optional&#40;string&#41;&#10;    image_type        &#61; optional&#40;string&#41;&#10;    oauth_scopes      &#61; optional&#40;list&#40;string&#41;&#41;&#10;    service_account   &#61; optional&#40;string&#41;&#10;  &#125;&#41;&#41;&#10;  cpu_limits &#61; optional&#40;object&#40;&#123;&#10;    min &#61; number&#10;    max &#61; number&#10;  &#125;&#41;&#41;&#10;  mem_limits &#61; optional&#40;object&#40;&#123;&#10;    min &#61; number&#10;    max &#61; number&#10;  &#125;&#41;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>null</code> |
+| [deletion_protection](variables.tf#L59) | Whether or not to allow Terraform to destroy the cluster. Unless this field is set to false in Terraform state, a terraform destroy or terraform apply that would delete the cluster will fail. | <code>bool</code> |  | <code>true</code> |
+| [description](variables.tf#L66) | Cluster description. | <code>string</code> |  | <code>null</code> |
+| [enable_addons](variables.tf#L72) | Addons enabled in the cluster (true means enabled). | <code title="object&#40;&#123;&#10;  cloudrun                       &#61; optional&#40;bool, false&#41;&#10;  config_connector               &#61; optional&#40;bool, false&#41;&#10;  dns_cache                      &#61; optional&#40;bool, false&#41;&#10;  gce_persistent_disk_csi_driver &#61; optional&#40;bool, false&#41;&#10;  gcp_filestore_csi_driver       &#61; optional&#40;bool, false&#41;&#10;  horizontal_pod_autoscaling     &#61; optional&#40;bool, false&#41;&#10;  http_load_balancing            &#61; optional&#40;bool, false&#41;&#10;  istio &#61; optional&#40;object&#40;&#123;&#10;    enable_tls &#61; bool&#10;  &#125;&#41;&#41;&#10;  kalm           &#61; optional&#40;bool, false&#41;&#10;  network_policy &#61; optional&#40;bool, false&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code title="&#123;&#10;  horizontal_pod_autoscaling &#61; true&#10;  http_load_balancing        &#61; true&#10;&#125;">&#123;&#8230;&#125;</code> |
+| [enable_features](variables.tf#L95) | Enable cluster-level features. Certain features allow configuration. | <code title="object&#40;&#123;&#10;  binary_authorization &#61; optional&#40;bool, false&#41;&#10;  cost_management      &#61; optional&#40;bool, false&#41;&#10;  dns &#61; optional&#40;object&#40;&#123;&#10;    provider &#61; optional&#40;string&#41;&#10;    scope    &#61; optional&#40;string&#41;&#10;    domain   &#61; optional&#40;string&#41;&#10;  &#125;&#41;&#41;&#10;  database_encryption &#61; optional&#40;object&#40;&#123;&#10;    state    &#61; string&#10;    key_name &#61; string&#10;  &#125;&#41;&#41;&#10;  dataplane_v2         &#61; optional&#40;bool, false&#41;&#10;  fqdn_network_policy  &#61; optional&#40;bool, false&#41;&#10;  gateway_api          &#61; optional&#40;bool, false&#41;&#10;  groups_for_rbac      &#61; optional&#40;string&#41;&#10;  intranode_visibility &#61; optional&#40;bool, false&#41;&#10;  l4_ilb_subsetting    &#61; optional&#40;bool, false&#41;&#10;  mesh_certificates    &#61; optional&#40;bool&#41;&#10;  pod_security_policy  &#61; optional&#40;bool, false&#41;&#10;  resource_usage_export &#61; optional&#40;object&#40;&#123;&#10;    dataset                              &#61; string&#10;    enable_network_egress_metering       &#61; optional&#40;bool&#41;&#10;    enable_resource_consumption_metering &#61; optional&#40;bool&#41;&#10;  &#125;&#41;&#41;&#10;  shielded_nodes &#61; optional&#40;bool, false&#41;&#10;  tpu            &#61; optional&#40;bool, false&#41;&#10;  upgrade_notifications &#61; optional&#40;object&#40;&#123;&#10;    topic_id &#61; optional&#40;string&#41;&#10;  &#125;&#41;&#41;&#10;  vertical_pod_autoscaling &#61; optional&#40;bool, false&#41;&#10;  workload_identity        &#61; optional&#40;bool, true&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code title="&#123;&#10;  workload_identity &#61; true&#10;&#125;">&#123;&#8230;&#125;</code> |
+| [issue_client_certificate](variables.tf#L141) | Enable issuing client certificate. | <code>bool</code> |  | <code>false</code> |
+| [labels](variables.tf#L147) | Cluster resource labels. | <code>map&#40;string&#41;</code> |  | <code>null</code> |
+| [logging_config](variables.tf#L158) | Logging configuration. | <code title="object&#40;&#123;&#10;  enable_system_logs             &#61; optional&#40;bool, true&#41;&#10;  enable_workloads_logs          &#61; optional&#40;bool, false&#41;&#10;  enable_api_server_logs         &#61; optional&#40;bool, false&#41;&#10;  enable_scheduler_logs          &#61; optional&#40;bool, false&#41;&#10;  enable_controller_manager_logs &#61; optional&#40;bool, false&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>&#123;&#125;</code> |
+| [maintenance_config](variables.tf#L179) | Maintenance window configuration. | <code title="object&#40;&#123;&#10;  daily_window_start_time &#61; optional&#40;string&#41;&#10;  recurring_window &#61; optional&#40;object&#40;&#123;&#10;    start_time &#61; string&#10;    end_time   &#61; string&#10;    recurrence &#61; string&#10;  &#125;&#41;&#41;&#10;  maintenance_exclusions &#61; optional&#40;list&#40;object&#40;&#123;&#10;    name       &#61; string&#10;    start_time &#61; string&#10;    end_time   &#61; string&#10;    scope      &#61; optional&#40;string&#41;&#10;  &#125;&#41;&#41;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code title="&#123;&#10;  daily_window_start_time &#61; &#34;03:00&#34;&#10;  recurring_window        &#61; null&#10;  maintenance_exclusion   &#61; &#91;&#93;&#10;&#125;">&#123;&#8230;&#125;</code> |
+| [max_pods_per_node](variables.tf#L202) | Maximum number of pods per node in this cluster. | <code>number</code> |  | <code>110</code> |
+| [min_master_version](variables.tf#L208) | Minimum version of the master, defaults to the version of the most recent official release. | <code>string</code> |  | <code>null</code> |
+| [monitoring_config](variables.tf#L214) | Monitoring configuration. Google Cloud Managed Service for Prometheus is enabled by default. | <code title="object&#40;&#123;&#10;  enable_system_metrics &#61; optional&#40;bool, true&#41;&#10;  enable_api_server_metrics         &#61; optional&#40;bool, false&#41;&#10;  enable_controller_manager_metrics &#61; optional&#40;bool, false&#41;&#10;  enable_scheduler_metrics          &#61; optional&#40;bool, false&#41;&#10;  enable_daemonset_metrics   &#61; optional&#40;bool, false&#41;&#10;  enable_deployment_metrics  &#61; optional&#40;bool, false&#41;&#10;  enable_hpa_metrics         &#61; optional&#40;bool, false&#41;&#10;  enable_pod_metrics         &#61; optional&#40;bool, false&#41;&#10;  enable_statefulset_metrics &#61; optional&#40;bool, false&#41;&#10;  enable_storage_metrics     &#61; optional&#40;bool, false&#41;&#10;  enable_managed_prometheus &#61; optional&#40;bool, true&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>&#123;&#125;</code> |
+| [node_locations](variables.tf#L269) | Zones in which the cluster's nodes are located. | <code>list&#40;string&#41;</code> |  | <code>&#91;&#93;</code> |
+| [private_cluster_config](variables.tf#L276) | Private cluster configuration. | <code title="object&#40;&#123;&#10;  enable_private_endpoint &#61; optional&#40;bool&#41;&#10;  master_global_access    &#61; optional&#40;bool&#41;&#10;  peering_config &#61; optional&#40;object&#40;&#123;&#10;    export_routes &#61; optional&#40;bool&#41;&#10;    import_routes &#61; optional&#40;bool&#41;&#10;    project_id    &#61; optional&#40;string&#41;&#10;  &#125;&#41;&#41;&#10;&#125;&#41;">object&#40;&#123;&#8230;&#125;&#41;</code> |  | <code>null</code> |
+| [release_channel](variables.tf#L295) | Release channel for GKE upgrades. | <code>string</code> |  | <code>null</code> |
+| [service_account](variables.tf#L301) | Service account used for the default node pool, only useful if the default GCE service account has been disabled. | <code>string</code> |  | <code>null</code> |
+| [tags](variables.tf#L307) | Network tags applied to nodes. | <code>list&#40;string&#41;</code> |  | <code>null</code> |
 
 ## Outputs
 
diff --git a/modules/gke-cluster-standard/main.tf b/modules/gke-cluster-standard/main.tf
index 5b93d37ec3..91ac3e7b1e 100644
--- a/modules/gke-cluster-standard/main.tf
+++ b/modules/gke-cluster-standard/main.tf
@@ -13,7 +13,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+locals {
+  bkp_plans_list = [for k, v in var.backup_configs.backup_plans : k]
+  bkp_namespaces_object_map = { for backup in local.bkp_plans_list : backup => flatten([
+    for k, v in var.backup_configs.backup_plans[backup].applications : [
+      for object_name in v : {
+        namespace   = k
+        object_name = object_name
+      }
+    ]])
+  }
+}
 resource "google_container_cluster" "cluster" {
   provider    = google-beta
   project     = var.project_id
@@ -427,12 +437,15 @@ resource "google_gke_backup_backup_plan" "backup_plan" {
       }
     }
     dynamic "selected_applications" {
-      for_each = each.value.applications != null ? each.value.applications : []
-      iterator = app
+      for_each = each.value.applications != null ? [""] : []
       content {
-        namespaced_names {
-          namespace = app.value["namespace"]
-          name      = app.value["name"]
+        dynamic "namespaced_names" {
+          for_each = local.bkp_namespaces_object_map[each.key]
+          iterator = ns_obj_couple
+          content {
+            namespace = ns_obj_couple.value["namespace"]
+            name      = ns_obj_couple.value["object_name"]
+          }
         }
       }
 
diff --git a/modules/gke-cluster-standard/variables.tf b/modules/gke-cluster-standard/variables.tf
index 24bfc2d436..c88bb773e9 100644
--- a/modules/gke-cluster-standard/variables.tf
+++ b/modules/gke-cluster-standard/variables.tf
@@ -19,19 +19,16 @@ variable "backup_configs" {
   type = object({
     enable_backup_agent = optional(bool, false)
     backup_plans = optional(map(object({
-      applications = optional(list(object({
-        namespace = string
-        name      = string
-      })))
+      region                            = string
+      applications                      = optional(map(list(string)))
       encryption_key                    = optional(string)
       include_secrets                   = optional(bool, true)
       include_volume_data               = optional(bool, true)
       namespaces                        = optional(list(string))
-      region                            = string
-      schedule                          = string
-      retention_policy_days             = optional(string, 1)
+      schedule                          = optional(string)
+      retention_policy_days             = optional(number)
       retention_policy_lock             = optional(bool, false)
-      retention_policy_delete_lock_days = optional(string)
+      retention_policy_delete_lock_days = optional(number)
     })), {})
   })
   default  = {}
diff --git a/tests/modules/gke_cluster_standard/examples/backup.yaml b/tests/modules/gke_cluster_standard/examples/backup.yaml
index 3fef633d24..259252012b 100644
--- a/tests/modules/gke_cluster_standard/examples/backup.yaml
+++ b/tests/modules/gke_cluster_standard/examples/backup.yaml
@@ -25,8 +25,11 @@ values:
       include_volume_data: true
       selected_applications:
       - namespaced_names:
-        - namespace: test
-          name:  app1 
+        - namespace: namespace-1
+          name:  app-1
+      - namespaced_names:
+        - namespace: namespace-1
+          name:  app-2
       selected_namespaces: []
     backup_schedule:
     - cron_schedule: 0 9 * * 1