diff --git a/README.md b/README.md
index dc891b5..768f473 100644
--- a/README.md
+++ b/README.md
@@ -49,8 +49,8 @@ module "wandb" {
 
 ## Examples
 
-We have included documentation and reference examples for additional common
-installation scenarios for Weights & Biases, as well as examples for supporting
+We have included documentation and reference examples for common
+installation scenarios, as well as examples for supporting
 resources that lack official modules.
 
 - [Public Instance with HTTPS using Cloud DNS](examples/public-dns-with-cloud-dns)
diff --git a/modules/app_gke/variables.tf b/modules/app_gke/variables.tf
index 9cf2f3f..a9ec740 100644
--- a/modules/app_gke/variables.tf
+++ b/modules/app_gke/variables.tf
@@ -22,6 +22,25 @@ variable "machine_type" {
   type = string
 }
 
+variable "weave_wandb_env" {
+  type        = map(string)
+  description = "Extra environment variables for W&B"
+  default     = {}
+}
+
+variable "app_wandb_env" {
+  type        = map(string)
+  description = "Extra environment variables for W&B"
+  default     = {}
+}
+
+variable "parquet_wandb_env" {
+  type        = map(string)
+  description = "Extra environment variables for W&B"
+  default     = {}
+}
+
+
 variable "node_count" {
   type = number
 }
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