fix: configurable region

Author: wphyojpl

tf-module/ds_img_to_ecr/outputs.tf

@@ -1,3 +1,3 @@
 output "ds_upstream_image" {
-  value = "${aws_ecr_pull_through_cache_rule.ds_upstream_image.registry_id}.dkr.ecr.us-west-2.amazonaws.com/${aws_ecr_pull_through_cache_rule.ds_upstream_image.id}/${var.uds_repo_name}:{ImageTag}"
+  value = "${aws_ecr_pull_through_cache_rule.ds_upstream_image.registry_id}.dkr.ecr.${var.aws_region}.amazonaws.com/${aws_ecr_pull_through_cache_rule.ds_upstream_image.id}/${var.uds_repo_name}:{ImageTag}"
 }

tf-module/ds_img_to_ecr/terraform.tfvars.example

@@ -1,3 +1,4 @@
 prefix = "uds-sbx"
 ecr_github_username = "abcd"
 ecr_github_token = "abcd"
+aws_region = "us-west-2"

tf-module/ds_img_to_ecr/variables.tf

@@ -12,6 +12,11 @@ variable "ecr_github_token" {
   description = "Github Fine-grained personal access token for ECR Pull Through that has access to https://github.com/unity-sds/unity-data-services"
 }
 
+variable "aws_region" {
+  type = string
+  default = "us-west-2"
+}
+
 variable "uds_repo_name" {
   type = string
   default = "unity-sds/unity-data-services"