diff --git a/install/do/main.tf b/install/do/main.tf
index 74ad68b..4115244 100644
--- a/install/do/main.tf
+++ b/install/do/main.tf
@@ -1,6 +1,6 @@
 variable "access_id" {
   description = "spaces access id"
-  type        = "string"
+  type        = string
 }
 
 variable "name" {
@@ -30,12 +30,12 @@ variable "registry_disk" {
 
 variable "secret_key" {
   description = "spaces secret key"
-  type        = "string"
+  type        = string
 }
 
 variable "token" {
   description = "digital ocean api token"
-  type        = "string"
+  type        = string
 }
 
 provider "digitalocean" {
diff --git a/install/gcp/main.tf b/install/gcp/main.tf
index 86a42e0..f619e94 100644
--- a/install/gcp/main.tf
+++ b/install/gcp/main.tf
@@ -15,7 +15,7 @@ variable "node_type" {
 
 variable "project" {
   description = "id of gcp project in which to install the rack"
-  type        = "string"
+  type        = string
 }
 
 variable "release" {
diff --git a/terraform/api/aws/variables.tf b/terraform/api/aws/variables.tf
index bf137fb..d920b70 100644
--- a/terraform/api/aws/variables.tf
+++ b/terraform/api/aws/variables.tf
@@ -1,27 +1,27 @@
 variable "domain" {
-  type = "string"
+  type = string
 }
 
 variable "name" {
-  type = "string"
+  type = string
 }
 
 variable "namespace" {
-  type = "string"
+  type = string
 }
 
 variable "oidc_arn" {
-  type = "string"
+  type = string
 }
 
 variable "oidc_sub" {
-  type = "string"
+  type = string
 }
 
 variable "release" {
-  type = "string"
+  type = string
 }
 
 variable "router" {
-  type = "string"
+  type = string
 }
diff --git a/terraform/api/azure/variables.tf b/terraform/api/azure/variables.tf
index bb35d77..5e40769 100644
--- a/terraform/api/azure/variables.tf
+++ b/terraform/api/azure/variables.tf
@@ -1,31 +1,31 @@
 variable "domain" {
-  type = "string"
+  type = string
 }
 
 variable "name" {
-  type = "string"
+  type = string
 }
 
 variable "namespace" {
-  type = "string"
+  type = string
 }
 
 variable "region" {
-  type = "string"
+  type = string
 }
 
 variable "release" {
-  type = "string"
+  type = string
 }
 
 variable "resource_group" {
-  type = "string"
+  type = string
 }
 
 variable "router" {
-  type = "string"
+  type = string
 }
 
 variable "workspace" {
-  type = "string"
+  type = string
 }
diff --git a/terraform/api/do/variables.tf b/terraform/api/do/variables.tf
index 8f1a7b5..d70e5b7 100644
--- a/terraform/api/do/variables.tf
+++ b/terraform/api/do/variables.tf
@@ -1,39 +1,39 @@
 variable "access_id" {
-  type = "string"
+  type = string
 }
 
 variable "domain" {
-  type = "string"
+  type = string
 }
 
 variable "elasticsearch" {
-  type = "string"
+  type = string
 }
 
 variable "name" {
-  type = "string"
+  type = string
 }
 
 variable "namespace" {
-  type = "string"
+  type = string
 }
 
 variable "region" {
-  type = "string"
+  type = string
 }
 
 variable "release" {
-  type = "string"
+  type = string
 }
 
 variable "router" {
-  type = "string"
+  type = string
 }
 
 variable "secret" {
-  type = "string"
+  type = string
 }
 
 variable "secret_key" {
-  type = "string"
+  type = string
 }
diff --git a/terraform/api/gcp/variables.tf b/terraform/api/gcp/variables.tf
index c75100d..bf204f8 100644
--- a/terraform/api/gcp/variables.tf
+++ b/terraform/api/gcp/variables.tf
@@ -1,23 +1,23 @@
 variable "domain" {
-  type = "string"
+  type = string
 }
 
 variable "name" {
-  type = "string"
+  type = string
 }
 
 variable "namespace" {
-  type = "string"
+  type = string
 }
 
 variable "nodes_account" {
-  type = "string"
+  type = string
 }
 
 variable "release" {
-  type = "string"
+  type = string
 }
 
 variable "router" {
-  type = "string"
+  type = string
 }
diff --git a/terraform/api/k8s/variables.tf b/terraform/api/k8s/variables.tf
index 6a93ff2..c0ae109 100644
--- a/terraform/api/k8s/variables.tf
+++ b/terraform/api/k8s/variables.tf
@@ -3,7 +3,7 @@ variable "annotations" {
 }
 
 variable "domain" {
-  type = "string"
+  type = string
 }
 
 variable "env" {
@@ -15,15 +15,15 @@ variable "labels" {
 }
 
 variable "name" {
-  type = "string"
+  type = string
 }
 
 variable "namespace" {
-  type = "string"
+  type = string
 }
 
 variable "release" {
-  type = "string"
+  type = string
 }
 
 variable "socket" {
diff --git a/terraform/cluster/aws/variables.tf b/terraform/cluster/aws/variables.tf
index 785a9e2..d0c4354 100644
--- a/terraform/cluster/aws/variables.tf
+++ b/terraform/cluster/aws/variables.tf
@@ -7,7 +7,7 @@ variable "kubernetes_version" {
 }
 
 variable "name" {
-  type = "string"
+  type = string
 }
 
 variable "node_type" {
diff --git a/terraform/elasticsearch/k8s/variables.tf b/terraform/elasticsearch/k8s/variables.tf
index cd46549..74333a1 100644
--- a/terraform/elasticsearch/k8s/variables.tf
+++ b/terraform/elasticsearch/k8s/variables.tf
@@ -1,3 +1,3 @@
 variable "namespace" {
-  type = "string"
+  type = string
 }
diff --git a/terraform/fluentd/aws/variables.tf b/terraform/fluentd/aws/variables.tf
index 44002ba..d917dde 100644
--- a/terraform/fluentd/aws/variables.tf
+++ b/terraform/fluentd/aws/variables.tf
@@ -1,19 +1,19 @@
 variable "cluster" {
-  type = "string"
+  type = string
 }
 
 variable "namespace" {
-  type = "string"
+  type = string
 }
 
 variable "name" {
-  type = "string"
+  type = string
 }
 
 variable "oidc_arn" {
-  type = "string"
+  type = string
 }
 
 variable "oidc_sub" {
-  type = "string"
+  type = string
 }
diff --git a/terraform/fluentd/do/variables.tf b/terraform/fluentd/do/variables.tf
index 1a18e4d..4d80efc 100644
--- a/terraform/fluentd/do/variables.tf
+++ b/terraform/fluentd/do/variables.tf
@@ -1,15 +1,15 @@
 variable "cluster" {
-  type = "string"
+  type = string
 }
 
 variable "elasticsearch" {
-  type = "string"
+  type = string
 }
 
 variable "namespace" {
-  type = "string"
+  type = string
 }
 
 variable "name" {
-  type = "string"
+  type = string
 }
diff --git a/terraform/fluentd/gcp/variables.tf b/terraform/fluentd/gcp/variables.tf
index 0896113..56a6b7c 100644
--- a/terraform/fluentd/gcp/variables.tf
+++ b/terraform/fluentd/gcp/variables.tf
@@ -1,11 +1,11 @@
 variable "cluster" {
-  type = "string"
+  type = string
 }
 
 variable "namespace" {
-  type = "string"
+  type = string
 }
 
 variable "name" {
-  type = "string"
+  type = string
 }
diff --git a/terraform/fluentd/k8s/variables.tf b/terraform/fluentd/k8s/variables.tf
index 3b22275..24dd7db 100644
--- a/terraform/fluentd/k8s/variables.tf
+++ b/terraform/fluentd/k8s/variables.tf
@@ -7,17 +7,17 @@ variable "env" {
 }
 
 variable "cluster" {
-  type = "string"
+  type = string
 }
 
 variable "image" {
-  type = "string"
+  type = string
 }
 
 variable "namespace" {
-  type = "string"
+  type = string
 }
 
 variable "target" {
-  type = "string"
+  type = string
 }
diff --git a/terraform/rack/aws/variables.tf b/terraform/rack/aws/variables.tf
index 94861a7..174fa1a 100644
--- a/terraform/rack/aws/variables.tf
+++ b/terraform/rack/aws/variables.tf
@@ -1,25 +1,25 @@
 variable "cluster" {
-  type = "string"
+  type = string
 }
 
 variable "name" {
-  type = "string"
+  type = string
 }
 
 variable "nodes_security" {
-  type = "string"
+  type = string
 }
 
 variable "oidc_arn" {
-  type = "string"
+  type = string
 }
 
 variable "oidc_sub" {
-  type = "string"
+  type = string
 }
 
 variable "release" {
-  type = "string"
+  type = string
 }
 
 variable "subnets_private" {
@@ -31,10 +31,10 @@ variable "subnets_public" {
 }
 
 variable "target_group_http" {
-  type = "string"
+  type = string
 }
 
 variable "target_group_https" {
-  type = "string"
+  type = string
 }
 
diff --git a/terraform/rack/azure/variables.tf b/terraform/rack/azure/variables.tf
index e8b95f9..ebed524 100644
--- a/terraform/rack/azure/variables.tf
+++ b/terraform/rack/azure/variables.tf
@@ -1,19 +1,19 @@
 variable "name" {
-  type = "string"
+  type = string
 }
 
 variable "region" {
-  type = "string"
+  type = string
 }
 
 variable "release" {
-  type = "string"
+  type = string
 }
 
 variable "resource_group" {
-  type = "string"
+  type = string
 }
 
 variable "workspace" {
-  type = "string"
+  type = string
 }
diff --git a/terraform/rack/do/variables.tf b/terraform/rack/do/variables.tf
index 365d06b..40f8ac9 100644
--- a/terraform/rack/do/variables.tf
+++ b/terraform/rack/do/variables.tf
@@ -1,27 +1,27 @@
 variable "access_id" {
-  type = "string"
+  type = string
 }
 
 variable "cluster" {
-  type = "string"
+  type = string
 }
 
 variable "name" {
-  type = "string"
+  type = string
 }
 
 variable "region" {
-  type = "string"
+  type = string
 }
 
 variable "registry_disk" {
-  type = "string"
+  type = string
 }
 
 variable "release" {
-  type = "string"
+  type = string
 }
 
 variable "secret_key" {
-  type = "string"
+  type = string
 }
diff --git a/terraform/rack/gcp/variables.tf b/terraform/rack/gcp/variables.tf
index 151a900..75505db 100644
--- a/terraform/rack/gcp/variables.tf
+++ b/terraform/rack/gcp/variables.tf
@@ -1,9 +1,9 @@
 variable "name" {
-  type = "string"
+  type = string
 }
 
 variable "network" {
-  type = "string"
+  type = string
 }
 
 variable "node_type" {
@@ -11,7 +11,7 @@ variable "node_type" {
 }
 
 variable "nodes_account" {
-  type = "string"
+  type = string
 }
 
 variable "region" {
@@ -19,5 +19,5 @@ variable "region" {
 }
 
 variable "release" {
-  type = "string"
+  type = string
 }
diff --git a/terraform/rack/k8s/variables.tf b/terraform/rack/k8s/variables.tf
index a4dea90..103e23a 100644
--- a/terraform/rack/k8s/variables.tf
+++ b/terraform/rack/k8s/variables.tf
@@ -1,11 +1,11 @@
 variable "domain" {
-  type = "string"
+  type = string
 }
 
 variable "name" {
-  type = "string"
+  type = string
 }
 
 variable "release" {
-  type = "string"
+  type = string
 }
diff --git a/terraform/router/aws/variables.tf b/terraform/router/aws/variables.tf
index 521ed47..f23323e 100644
--- a/terraform/router/aws/variables.tf
+++ b/terraform/router/aws/variables.tf
@@ -1,25 +1,25 @@
 variable "name" {
-  type = "string"
+  type = string
 }
 
 variable "namespace" {
-  type = "string"
+  type = string
 }
 
 variable "nodes_security" {
-  type = "string"
+  type = string
 }
 
 variable "oidc_arn" {
-  type = "string"
+  type = string
 }
 
 variable "oidc_sub" {
-  type = "string"
+  type = string
 }
 
 variable "release" {
-  type = "string"
+  type = string
 }
 
 variable "subnets" {
@@ -27,9 +27,9 @@ variable "subnets" {
 }
 
 variable "target_group_http" {
-  type = "string"
+  type = string
 }
 
 variable "target_group_https" {
-  type = "string"
+  type = string
 }
diff --git a/terraform/router/azure/variables.tf b/terraform/router/azure/variables.tf
index c9c0015..f92281e 100644
--- a/terraform/router/azure/variables.tf
+++ b/terraform/router/azure/variables.tf
@@ -1,19 +1,19 @@
 variable "name" {
-  type = "string"
+  type = string
 }
 
 variable "namespace" {
-  type = "string"
+  type = string
 }
 
 variable "region" {
-  type = "string"
+  type = string
 }
 
 variable "release" {
-  type = "string"
+  type = string
 }
 
 variable "resource_group" {
-  type = "string"
+  type = string
 }
diff --git a/terraform/router/do/variables.tf b/terraform/router/do/variables.tf
index 0b14755..0a7031a 100644
--- a/terraform/router/do/variables.tf
+++ b/terraform/router/do/variables.tf
@@ -1,15 +1,15 @@
 variable "name" {
-  type = "string"
+  type = string
 }
 
 variable "namespace" {
-  type = "string"
+  type = string
 }
 
 variable "region" {
-  type = "string"
+  type = string
 }
 
 variable "release" {
-  type = "string"
+  type = string
 }
diff --git a/terraform/router/gcp/variables.tf b/terraform/router/gcp/variables.tf
index f60a664..95a6f3d 100644
--- a/terraform/router/gcp/variables.tf
+++ b/terraform/router/gcp/variables.tf
@@ -1,15 +1,15 @@
 variable "name" {
-  type = "string"
+  type = string
 }
 
 variable "namespace" {
-  type = "string"
+  type = string
 }
 
 variable "network" {
-  type = "string"
+  type = string
 }
 
 variable "release" {
-  type = "string"
+  type = string
 }
diff --git a/terraform/router/k8s/variables.tf b/terraform/router/k8s/variables.tf
index 12b6261..410169e 100644
--- a/terraform/router/k8s/variables.tf
+++ b/terraform/router/k8s/variables.tf
@@ -1,17 +1,17 @@
 variable "annotations" {
-  type    = "map"
+  type    = map
   default = {}
 }
 
 variable "env" {
-  type    = "map"
+  type    = map
   default = {}
 }
 
 variable "namespace" {
-  type = "string"
+  type = string
 }
 
 variable "release" {
-  type = "string"
+  type = string
 }
diff --git a/terraform/system/aws/variables.tf b/terraform/system/aws/variables.tf
index 849e310..823e588 100644
--- a/terraform/system/aws/variables.tf
+++ b/terraform/system/aws/variables.tf
@@ -3,7 +3,7 @@ variable "cidr" {
 }
 
 variable "name" {
-  type = "string"
+  type = string
 }
 
 variable "node_type" {
diff --git a/terraform/system/azure/variables.tf b/terraform/system/azure/variables.tf
index 23ade21..13ab442 100644
--- a/terraform/system/azure/variables.tf
+++ b/terraform/system/azure/variables.tf
@@ -1,13 +1,13 @@
 variable "name" {
-  type = "string"
+  type = string
 }
 
 variable "node_type" {
-  type = "string"
+  type = string
 }
 
 variable "region" {
-  type = "string"
+  type = string
 }
 
 variable "release" {
diff --git a/terraform/system/do/variables.tf b/terraform/system/do/variables.tf
index 21b9233..2195d41 100644
--- a/terraform/system/do/variables.tf
+++ b/terraform/system/do/variables.tf
@@ -1,21 +1,21 @@
 variable "access_id" {
-  type = "string"
+  type = string
 }
 
 variable "name" {
-  type = "string"
+  type = string
 }
 
 variable "node_type" {
-  type = "string"
+  type = string
 }
 
 variable "region" {
-  type = "string"
+  type = string
 }
 
 variable "registry_disk" {
-  type = "string"
+  type = string
 }
 
 variable "release" {
@@ -23,9 +23,9 @@ variable "release" {
 }
 
 variable "secret_key" {
-  type = "string"
+  type = string
 }
 
 variable "token" {
-  type = "string"
+  type = string
 }
diff --git a/terraform/system/gcp/variables.tf b/terraform/system/gcp/variables.tf
index 5c084bf..8c7f778 100644
--- a/terraform/system/gcp/variables.tf
+++ b/terraform/system/gcp/variables.tf
@@ -1,5 +1,5 @@
 variable "name" {
-  type = "string"
+  type = string
 }
 
 variable "node_type" {