Fixing error in variable definition

Author: jnonino

README.md

@@ -16,14 +16,14 @@ Check versions for this module on:
 * Terraform Module Registry: <https://registry.terraform.io/modules/cn-terraform/ecs-fargate-task-definition/aws>
 
         module "td" {
-              source          = "cn-terraform/ecs-fargate-task-definition/aws"
-              version         = "1.0.5"
-              name_preffix    = var.name_preffix
-              profile         = var.profile
-              region          = var.region
-              container_name  = "${var.name_preffix}-<NAME>"
-              container_image = "<IMAGE_NAME>:<IMAGE_TAG>"
-              container_port  = <PORT>
+            source          = "cn-terraform/ecs-fargate-task-definition/aws"
+            version         = "1.0.6"
+            name_preffix    = var.name_preffix
+            profile         = var.profile
+            region          = var.region
+            container_name  = "${var.name_preffix}-<NAME>"
+            container_image = "<IMAGE_NAME>:<IMAGE_TAG>"
+            container_port  = <PORT>
         }
 
 ## Input values

variables.tf

@@ -157,9 +157,9 @@ variable "readonly_root_filesystem" {
 }
 
 variable "repository_credentials" {
-  type        = map
+  type        = map(string)
   description = "(Optional) Container repository credentials; required when using a private repo.  This map currently supports a single key; \"credentialsParameter\", which should be the ARN of a Secrets Manager's secret holding the credentials"
-  default     = {}
+  default     = null
 }
 
 variable "secrets" {