Added execution role in the module

Author: Praveenraj-K

main.tf

@@ -13,6 +13,7 @@ resource "aws_ecs_task_definition" "td" {
   family                = "${var.service_name}-${var.service_env}"
   container_definitions = var.container_def_json
   task_role_arn         = var.task_role_arn
+  execution_role_arn    = var.execution_role_arn
   network_mode          = var.network_mode
 
   dynamic "volume" {

variables.tf

@@ -85,3 +85,8 @@ variable "ordered_placement_strategy" {
     field = "instanceId"
   }]
 }
+
+variable "execution_role_arn" {
+  type    = string
+  default = ""
+}