diff --git a/deploy/terraform/apprunner/providers.tf b/deploy/terraform/apprunner/providers.tf
index a05e86a29..870fd53a6 100644
--- a/deploy/terraform/apprunner/providers.tf
+++ b/deploy/terraform/apprunner/providers.tf
@@ -1,7 +1,7 @@
 terraform {
   required_providers {
     aws = {
-      source  = "hashicorp/aws"
+      source = "hashicorp/aws"
     }
   }
 }
diff --git a/deploy/terraform/apprunner/variables.tf b/deploy/terraform/apprunner/variables.tf
index 3f7d9e049..f17ea337b 100644
--- a/deploy/terraform/apprunner/variables.tf
+++ b/deploy/terraform/apprunner/variables.tf
@@ -1,6 +1,7 @@
 variable "environment_name" {
-  type    = string
-  default = "retail-store-ar"
+  type        = string
+  default     = "retail-store-ar"
+  description = "Name of the environment"
 }
 
 variable "container_image_overrides" {
@@ -10,6 +11,7 @@ variable "container_image_overrides" {
 }
 
 variable "image_repository_type" {
+  type        = string
   description = "The type of image repository where the images will be pulled from"
   default     = "ECR_PUBLIC"
 }
diff --git a/deploy/terraform/ecs/default/providers.tf b/deploy/terraform/ecs/default/providers.tf
index a05e86a29..870fd53a6 100644
--- a/deploy/terraform/ecs/default/providers.tf
+++ b/deploy/terraform/ecs/default/providers.tf
@@ -1,7 +1,7 @@
 terraform {
   required_providers {
     aws = {
-      source  = "hashicorp/aws"
+      source = "hashicorp/aws"
     }
   }
 }
diff --git a/deploy/terraform/ecs/default/variables.tf b/deploy/terraform/ecs/default/variables.tf
index c229743cb..f8151480c 100644
--- a/deploy/terraform/ecs/default/variables.tf
+++ b/deploy/terraform/ecs/default/variables.tf
@@ -1,6 +1,7 @@
 variable "environment_name" {
-  type    = string
-  default = "retail-store-ecs"
+  type        = string
+  default     = "retail-store-ecs"
+  description = "Name of the environment"
 }
 
 variable "container_image_overrides" {
diff --git a/deploy/terraform/lib/apprunner/carts.tf b/deploy/terraform/lib/apprunner/carts.tf
index 2289d4746..3a6fc41e8 100644
--- a/deploy/terraform/lib/apprunner/carts.tf
+++ b/deploy/terraform/lib/apprunner/carts.tf
@@ -10,7 +10,7 @@ module "app_runner_carts" {
         port = 8080
         runtime_environment_variables = {
           CARTS_DYNAMODB_TABLENAME = var.carts_dynamodb_table_name
-          SPRING_PROFILES_ACTIVE = "dynamodb"
+          SPRING_PROFILES_ACTIVE   = "dynamodb"
         }
       }
       image_identifier      = module.container_images.result.cart.url
diff --git a/deploy/terraform/lib/apprunner/outputs.tf b/deploy/terraform/lib/apprunner/outputs.tf
index 10347d3c3..5e8da946a 100644
--- a/deploy/terraform/lib/apprunner/outputs.tf
+++ b/deploy/terraform/lib/apprunner/outputs.tf
@@ -5,12 +5,15 @@ output "ui_service_url" {
 
 output "catalog_security_group_id" {
   value       = aws_security_group.catalog.id
+  description = "Security group ID of the catalog service"
 }
 
 output "checkout_security_group_id" {
   value       = aws_security_group.checkout.id
+  description = "Security group ID of the checkout service"
 }
 
 output "orders_security_group_id" {
   value       = aws_security_group.orders.id
+  description = "Security group ID of the orders service"
 }
\ No newline at end of file
diff --git a/deploy/terraform/lib/apprunner/variables.tf b/deploy/terraform/lib/apprunner/variables.tf
index 3b3fe9977..8c296f64b 100644
--- a/deploy/terraform/lib/apprunner/variables.tf
+++ b/deploy/terraform/lib/apprunner/variables.tf
@@ -1,10 +1,12 @@
 variable "environment_name" {
-  type = string
+  type        = string
+  description = "Name of the environment"
 }
 
 variable "tags" {
   description = "List of tags to be associated with resources."
   default     = {}
+  type        = any
 }
 
 variable "vpc_id" {
@@ -12,11 +14,6 @@ variable "vpc_id" {
   type        = string
 }
 
-variable "vpc_cidr" {
-  description = "VPC ID used to create EKS cluster."
-  type        = string
-}
-
 variable "subnet_ids" {
   description = "List of private subnet IDs used by EKS cluster nodes."
   type        = list(string)
@@ -25,6 +22,7 @@ variable "subnet_ids" {
 variable "image_repository_type" {
   description = "The type of image repository where the images will be pulled from"
   default     = "ECR_PUBLIC"
+  type        = string
 }
 
 variable "container_image_overrides" {
@@ -34,69 +32,86 @@ variable "container_image_overrides" {
 }
 
 variable "catalog_db_endpoint" {
-  type = string
+  type        = string
+  description = "Endpoint of the catalog database"
 }
 
 variable "catalog_db_port" {
-  type = string
+  type        = string
+  description = "Port of the catalog database"
 }
 
 variable "catalog_db_name" {
-  type = string
+  type        = string
+  description = "Name of the catalog database"
 }
 
 variable "catalog_db_username" {
-  type = string
+  type        = string
+  description = "Username for the catalog database"
 }
 
 variable "catalog_db_password" {
-  type = string
+  type        = string
+  description = "Password for the catalog database"
 }
 
 variable "carts_dynamodb_table_name" {
-  type = string
+  type        = string
+  description = "DynamoDB table name for the carts service"
 }
 
 variable "carts_dynamodb_policy_arn" {
-  type = string
+  type        = string
+  description = "IAM policy for DynamoDB table for the carts service"
 }
 
 variable "orders_db_endpoint" {
-  type = string
+  type        = string
+  description = "Endpoint of the orders database"
 }
 
 variable "orders_db_port" {
-  type = string
+  type        = string
+  description = "Port of the orders database"
 }
 
 variable "orders_db_name" {
-  type = string
+  type        = string
+  description = "Name of the orders database"
 }
 
 variable "orders_db_username" {
-  type = string
+  type        = string
+  description = "Username for the orders database"
 }
 
 variable "orders_db_password" {
-  type = string
+  type        = string
+  description = "Username for the password database"
 }
 
 variable "checkout_redis_endpoint" {
-  type = string
+  type        = string
+  description = "Endpoint of the checkout redis"
 }
 
 variable "checkout_redis_port" {
-  type = string
+  type        = string
+  description = "Port of the checkout redis"
 }
 
 variable "mq_endpoint" {
-  type = string
+  type        = string
+  description = "Endpoint of the shared MQ"
 }
 
 variable "mq_username" {
-  type = string
+  type        = string
+  description = "Username for the shared MQ"
 }
 
 variable "mq_password" {
-  type = string
+  type        = string
+  description = "Password for the shared MQ"
 }
diff --git a/deploy/terraform/lib/dependencies/catalog_rds.tf b/deploy/terraform/lib/dependencies/catalog_rds.tf
index a8486b0cb..524594c94 100644
--- a/deploy/terraform/lib/dependencies/catalog_rds.tf
+++ b/deploy/terraform/lib/dependencies/catalog_rds.tf
@@ -2,17 +2,17 @@ module "catalog_rds" {
   source  = "terraform-aws-modules/rds-aurora/aws"
   version = "7.7.1"
 
-  name = "${var.environment_name}-catalog"
-  engine = "aurora-mysql"
-  engine_version = "8.0"
-  instance_class = "db.t3.medium"
+  name                        = "${var.environment_name}-catalog"
+  engine                      = "aurora-mysql"
+  engine_version              = "8.0"
+  instance_class              = "db.t3.medium"
   allow_major_version_upgrade = true
 
   instances = {
     one = {}
   }
 
-  vpc_id = var.vpc_id
+  vpc_id  = var.vpc_id
   subnets = var.subnet_ids
 
   allowed_security_groups = concat(var.allowed_security_group_ids, [var.catalog_security_group_id])
@@ -32,7 +32,7 @@ module "catalog_rds" {
   db_cluster_parameter_group_name   = "${var.environment_name}-catalog"
   db_cluster_parameter_group_family = "aurora-mysql8.0"
 
-  tags             = var.tags
+  tags = var.tags
 }
 
 resource "random_string" "catalog_db_master" {
diff --git a/deploy/terraform/lib/dependencies/dynamodb.tf b/deploy/terraform/lib/dependencies/dynamodb.tf
index a97c0775e..8d4719ccd 100644
--- a/deploy/terraform/lib/dependencies/dynamodb.tf
+++ b/deploy/terraform/lib/dependencies/dynamodb.tf
@@ -1,4 +1,4 @@
-module "dynamodb-carts" {
+module "dynamodb_carts" {
   source  = "terraform-aws-modules/dynamodb-table/aws"
   version = "3.2.0"
 
@@ -41,8 +41,8 @@ resource "aws_iam_policy" "carts_dynamo" {
       "Effect": "Allow",
       "Action": "dynamodb:*",
       "Resource": [
-        "arn:${local.aws_partition}:dynamodb:${local.aws_region}:${local.aws_account_id}:table/${module.dynamodb-carts.dynamodb_table_id}",
-        "arn:${local.aws_partition}:dynamodb:${local.aws_region}:${local.aws_account_id}:table/${module.dynamodb-carts.dynamodb_table_id}/index/*"
+        "arn:${local.aws_partition}:dynamodb:${local.aws_region}:${local.aws_account_id}:table/${module.dynamodb_carts.dynamodb_table_id}",
+        "arn:${local.aws_partition}:dynamodb:${local.aws_region}:${local.aws_account_id}:table/${module.dynamodb_carts.dynamodb_table_id}/index/*"
       ]
     }
   ]
diff --git a/deploy/terraform/lib/dependencies/elasticache.tf b/deploy/terraform/lib/dependencies/elasticache.tf
index 1c501f445..ff584fb71 100644
--- a/deploy/terraform/lib/dependencies/elasticache.tf
+++ b/deploy/terraform/lib/dependencies/elasticache.tf
@@ -1,4 +1,4 @@
-module "checkout-elasticache-redis" {
+module "checkout_elasticache_redis" {
   source  = "cloudposse/elasticache-redis/aws"
   version = "0.52.0"
 
diff --git a/deploy/terraform/lib/dependencies/main.tf b/deploy/terraform/lib/dependencies/main.tf
index 92a41b206..73f6f2953 100644
--- a/deploy/terraform/lib/dependencies/main.tf
+++ b/deploy/terraform/lib/dependencies/main.tf
@@ -1,7 +1,5 @@
 data "aws_region" "current" {}
 
-data "aws_availability_zones" "available" {}
-
 data "aws_caller_identity" "current" {}
 
 data "aws_partition" "current" {}
diff --git a/deploy/terraform/lib/dependencies/outputs.tf b/deploy/terraform/lib/dependencies/outputs.tf
index 921323448..dbdc1c086 100644
--- a/deploy/terraform/lib/dependencies/outputs.tf
+++ b/deploy/terraform/lib/dependencies/outputs.tf
@@ -74,12 +74,12 @@ output "orders_db_arn" {
 
 output "carts_dynamodb_table_arn" {
   description = "ARN of the carts DynamoDB table"
-  value       = module.dynamodb-carts.dynamodb_table_arn
+  value       = module.dynamodb_carts.dynamodb_table_arn
 }
 
 output "carts_dynamodb_table_name" {
   description = "Name of the carts DynamoDB table"
-  value       = module.dynamodb-carts.dynamodb_table_id
+  value       = module.dynamodb_carts.dynamodb_table_id
 }
 
 output "carts_dynamodb_policy_arn" {
@@ -114,21 +114,21 @@ output "mq_user" {
 }
 
 output "checkout_elasticache_arn" {
-  value       = module.checkout-elasticache-redis.arn
+  value       = module.checkout_elasticache_redis.arn
   description = "Checkout Redis ElastiCache ARN."
 }
 
 output "checkout_elasticache_primary_endpoint" {
-  value       = module.checkout-elasticache-redis.endpoint
+  value       = module.checkout_elasticache_redis.endpoint
   description = "Checkout Redis hostname"
 }
 
 output "checkout_elasticache_reader_endpoint" {
-  value       = module.checkout-elasticache-redis.reader_endpoint_address
+  value       = module.checkout_elasticache_redis.reader_endpoint_address
   description = "Checkout Redis reader hostname"
 }
 
 output "checkout_elasticache_port" {
-  value       = module.checkout-elasticache-redis.port
+  value       = module.checkout_elasticache_redis.port
   description = "Checkout Redis port"
 }
diff --git a/deploy/terraform/lib/dependencies/variables.tf b/deploy/terraform/lib/dependencies/variables.tf
index e4a5534e7..b30c11e8c 100644
--- a/deploy/terraform/lib/dependencies/variables.tf
+++ b/deploy/terraform/lib/dependencies/variables.tf
@@ -1,9 +1,11 @@
 variable "environment_name" {
-  type = string
+  type        = string
+  description = "Name of the environment"
 }
 
 variable "vpc_id" {
-  type = string
+  type        = string
+  description = "VPC ID for the resources"
 }
 
 variable "subnet_ids" {
@@ -12,27 +14,28 @@ variable "subnet_ids" {
 }
 
 variable "tags" {
-  description = "A map of tags to add to all resources"
+  description = "List of tags to be associated with resources."
   default     = {}
-}
-
-variable "availability_zones" {
-  type = list(string)
+  type        = any
 }
 
 variable "catalog_security_group_id" {
-  type = string
+  type        = string
+  description = "Security group ID of the catalog component"
 }
 
 variable "orders_security_group_id" {
-  type = string
+  type        = string
+  description = "Security group ID of the orders component"
 }
 
 variable "checkout_security_group_id" {
-  type = string
+  type        = string
+  description = "Security group ID of the checkout component"
 }
 
 variable "allowed_security_group_ids" {
-  type    = list(string)
-  default = []
+  type        = list(string)
+  default     = []
+  description = "List of additional allowed security group IDs"
 }
\ No newline at end of file
diff --git a/deploy/terraform/lib/ecs/common.tf b/deploy/terraform/lib/ecs/common.tf
index 702910b2f..60275346e 100644
--- a/deploy/terraform/lib/ecs/common.tf
+++ b/deploy/terraform/lib/ecs/common.tf
@@ -4,8 +4,8 @@ resource "aws_kms_key" "cmk" {
 }
 
 resource "random_string" "random_mq_secret" {
-  length           = 4
-  special          = false
+  length  = 4
+  special = false
 }
 
 resource "aws_secretsmanager_secret" "mq" {
diff --git a/deploy/terraform/lib/ecs/main.tf b/deploy/terraform/lib/ecs/main.tf
index d5f4158c3..7fc7cfc12 100644
--- a/deploy/terraform/lib/ecs/main.tf
+++ b/deploy/terraform/lib/ecs/main.tf
@@ -3,9 +3,3 @@ module "container_images" {
 
   container_image_overrides = var.container_image_overrides
 }
-
-data "aws_ssm_parameter" "fluentbit" {
-  name = "/aws/service/aws-for-fluent-bit/stable"
-}
-
-data "aws_region" "current" {}
diff --git a/deploy/terraform/lib/ecs/outputs.tf b/deploy/terraform/lib/ecs/outputs.tf
index e99fb27e0..b2d6fe476 100644
--- a/deploy/terraform/lib/ecs/outputs.tf
+++ b/deploy/terraform/lib/ecs/outputs.tf
@@ -4,13 +4,16 @@ output "ui_service_url" {
 }
 
 output "catalog_security_group_id" {
-  value = module.catalog_service.task_security_group_id
+  value       = module.catalog_service.task_security_group_id
+  description = "Security group ID of the catalog service"
 }
 
 output "checkout_security_group_id" {
-  value = module.checkout_service.task_security_group_id
+  value       = module.checkout_service.task_security_group_id
+  description = "Security group ID of the checkout service"
 }
 
 output "orders_security_group_id" {
-  value = module.orders_service.task_security_group_id
+  value       = module.orders_service.task_security_group_id
+  description = "Security group ID of the orders service"
 }
diff --git a/deploy/terraform/lib/ecs/service/ecs.tf b/deploy/terraform/lib/ecs/service/ecs.tf
index da05e231c..1069d21ab 100644
--- a/deploy/terraform/lib/ecs/service/ecs.tf
+++ b/deploy/terraform/lib/ecs/service/ecs.tf
@@ -97,4 +97,6 @@ resource "aws_ecs_service" "this" {
       container_port   = 8080
     }
   }
+
+  tags = var.tags
 }
diff --git a/deploy/terraform/lib/ecs/service/outputs.tf b/deploy/terraform/lib/ecs/service/outputs.tf
index be53f3742..23303f603 100644
--- a/deploy/terraform/lib/ecs/service/outputs.tf
+++ b/deploy/terraform/lib/ecs/service/outputs.tf
@@ -1,7 +1,11 @@
 output "ecs_service_name" {
   value = aws_ecs_service.this.name
+
+  description = "Name of the ECS service"
 }
 
 output "task_security_group_id" {
   value = aws_security_group.this.id
+
+  description = "ID of the task security group"
 }
diff --git a/deploy/terraform/lib/ecs/service/variables.tf b/deploy/terraform/lib/ecs/service/variables.tf
index 6c7d1116e..b29a6d648 100644
--- a/deploy/terraform/lib/ecs/service/variables.tf
+++ b/deploy/terraform/lib/ecs/service/variables.tf
@@ -1,9 +1,11 @@
 variable "environment_name" {
-  type = string
+  type        = string
+  description = "Name of the environment"
 }
 
 variable "service_name" {
-  type = string
+  type        = string
+  description = "Name of the ECS service"
 }
 
 variable "cluster_arn" {
@@ -14,6 +16,7 @@ variable "cluster_arn" {
 variable "tags" {
   description = "List of tags to be associated with resources."
   default     = {}
+  type        = any
 }
 
 variable "vpc_id" {
@@ -21,59 +24,58 @@ variable "vpc_id" {
   type        = string
 }
 
-variable "vpc_cidr" {
-  description = "VPC CIDR"
-  type        = string
-}
-
 variable "subnet_ids" {
   description = "List of private subnet IDs."
   type        = list(string)
 }
 
-variable "public_subnet_ids" {
-  description = "List of public subnet IDs."
-  type        = list(string)
-}
-
 variable "container_image" {
   description = "Container image for the service"
+  type        = string
 }
 
 variable "service_discovery_namespace_arn" {
   description = "ARN of the service discovery namespace for Service Connect"
+  type        = string
 }
 
 variable "environment_variables" {
   description = "Map of environment variables for the ECS task"
   default     = {}
+  type        = any
 }
 
 variable "secrets" {
   description = "Map of secrets for the ECS task"
   default     = {}
+  type        = any
 }
 
 variable "additional_task_role_iam_policy_arns" {
   description = "Additional IAM policy ARNs to be added to the task role"
   default     = []
+  type        = list(string)
 }
 
 variable "additional_task_execution_role_iam_policy_arns" {
   description = "Additional IAM policy ARNs to be added to the task execution role"
   default     = []
+  type        = list(string)
 }
 
 variable "healthcheck_path" {
   description = "HTTP path used to health check the service"
   default     = "/health"
+  type        = string
 }
 
 variable "cloudwatch_logs_group_id" {
   description = "CloudWatch logs group ID"
+  type        = string
 }
 
 variable "alb_target_group_arn" {
   description = "ARN of the ALB target group the ECS service should register tasks to"
   default     = ""
+  type        = string
 }
diff --git a/deploy/terraform/lib/ecs/variables.tf b/deploy/terraform/lib/ecs/variables.tf
index 7ede763e7..eb42fe7ec 100644
--- a/deploy/terraform/lib/ecs/variables.tf
+++ b/deploy/terraform/lib/ecs/variables.tf
@@ -1,10 +1,12 @@
 variable "environment_name" {
-  type = string
+  type        = string
+  description = "Name of the environment"
 }
 
 variable "tags" {
   description = "List of tags to be associated with resources."
   default     = {}
+  type        = any
 }
 
 variable "vpc_id" {
@@ -34,69 +36,86 @@ variable "container_image_overrides" {
 }
 
 variable "catalog_db_endpoint" {
-  type = string
+  type        = string
+  description = "Endpoint of the catalog database"
 }
 
 variable "catalog_db_port" {
-  type = string
+  type        = string
+  description = "Port of the catalog database"
 }
 
 variable "catalog_db_name" {
-  type = string
+  type        = string
+  description = "Name of the catalog database"
 }
 
 variable "catalog_db_username" {
-  type = string
+  type        = string
+  description = "Username for the catalog database"
 }
 
 variable "catalog_db_password" {
-  type = string
+  type        = string
+  description = "Password for the catalog database"
 }
 
 variable "carts_dynamodb_table_name" {
-  type = string
+  type        = string
+  description = "DynamoDB table name for the carts service"
 }
 
 variable "carts_dynamodb_policy_arn" {
-  type = string
+  type        = string
+  description = "IAM policy for DynamoDB table for the carts service"
 }
 
 variable "orders_db_endpoint" {
-  type = string
+  type        = string
+  description = "Endpoint of the orders database"
 }
 
 variable "orders_db_port" {
-  type = string
+  type        = string
+  description = "Port of the orders database"
 }
 
 variable "orders_db_name" {
-  type = string
+  type        = string
+  description = "Name of the orders database"
 }
 
 variable "orders_db_username" {
-  type = string
+  type        = string
+  description = "Username for the orders database"
 }
 
 variable "orders_db_password" {
-  type = string
+  type        = string
+  description = "Username for the password database"
 }
 
 variable "checkout_redis_endpoint" {
-  type = string
+  type        = string
+  description = "Endpoint of the checkout redis"
 }
 
 variable "checkout_redis_port" {
-  type = string
+  type        = string
+  description = "Port of the checkout redis"
 }
 
 variable "mq_endpoint" {
-  type = string
+  type        = string
+  description = "Endpoint of the shared MQ"
 }
 
 variable "mq_username" {
-  type = string
+  type        = string
+  description = "Username for the shared MQ"
 }
 
 variable "mq_password" {
-  type = string
-}
+  type        = string
+  description = "Password for the shared MQ"
+}
\ No newline at end of file
diff --git a/deploy/terraform/lib/images/outputs.tf b/deploy/terraform/lib/images/outputs.tf
index d3ff28823..758f3cdaa 100644
--- a/deploy/terraform/lib/images/outputs.tf
+++ b/deploy/terraform/lib/images/outputs.tf
@@ -19,4 +19,6 @@ output "result" {
       url = local.ui_image
     }, zipmap(["repository", "tag"], split(":", local.ui_image)))
   }
+
+  description = "Computed image results"
 }
diff --git a/deploy/terraform/lib/tags/main.tf b/deploy/terraform/lib/tags/main.tf
index 51c2dc77d..3cee8ce40 100644
--- a/deploy/terraform/lib/tags/main.tf
+++ b/deploy/terraform/lib/tags/main.tf
@@ -1,5 +1,6 @@
 variable "environment_name" {
-  type = string
+  type        = string
+  description = "Name of the environment"
 }
 
 output "result" {
@@ -7,4 +8,5 @@ output "result" {
     environment-name = var.environment_name
     created-by       = "retail-store-sample-app"
   }
+  description = "Computed tag results"
 }
\ No newline at end of file
diff --git a/deploy/terraform/lib/vpc/outputs.tf b/deploy/terraform/lib/vpc/outputs.tf
index 517d178db..41a66a52f 100644
--- a/deploy/terraform/lib/vpc/outputs.tf
+++ b/deploy/terraform/lib/vpc/outputs.tf
@@ -1,11 +1,14 @@
 output "inner" {
-  value = module.vpc
+  value       = module.vpc
+  description = "Outputs from the VPC module"
 }
 
 output "availability_zones" {
-  value = local.azs
+  value       = local.azs
+  description = "List of availability zones where the VPC was created"
 }
 
 output "vpc_cidr" {
-  value = var.vpc_cidr
+  value       = var.vpc_cidr
+  description = "CIDR block of the VPC"
 }
\ No newline at end of file
diff --git a/deploy/terraform/lib/vpc/variables.tf b/deploy/terraform/lib/vpc/variables.tf
index 8c08e2336..11baaad82 100644
--- a/deploy/terraform/lib/vpc/variables.tf
+++ b/deploy/terraform/lib/vpc/variables.tf
@@ -1,22 +1,28 @@
 variable "environment_name" {
-  type = string
+  type        = string
+  description = "Name of the environment"
 }
 
 variable "vpc_cidr" {
-  type    = string
-  default = "10.0.0.0/16"
+  type        = string
+  default     = "10.0.0.0/16"
+  description = "CIDR block for the VPC"
 }
 
 variable "public_subnet_tags" {
-  type    = map
-  default = {}
+  type        = map(any)
+  default     = {}
+  description = "Additional tags to apply to public subnets"
 }
 
 variable "private_subnet_tags" {
-  type    = map
-  default = {}
+  type        = map(any)
+  default     = {}
+  description = "Additional tags to apply to private subnets"
 }
 
 variable "tags" {
-  default = {}
+  description = "List of tags to be associated with resources."
+  default     = {}
+  type        = any
 }
\ No newline at end of file