Merge pull request #40 from sourcefuse/fix-iam-role-policy

Role attachment was creating an exclusive attachment and removing the policy from all other roles it was attached to.

docs/arc-iac-docs/modules/terraform-aws-refarch-ecs/README.md

@@ -88,8 +88,8 @@ module "ecs" {
 | Name | Type |
 |------|------|
 | [aws_cloudwatch_log_group.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/cloudwatch_log_group) | resource |
-| [aws_iam_policy_attachment.execution](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_policy_attachment) | resource |
 | [aws_iam_role.execution](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_role) | resource |
+| [aws_iam_role_policy_attachment.execution](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_role_policy_attachment) | resource |
 | [aws_lb_listener.http](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lb_listener) | resource |
 | [aws_lb_listener.https](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lb_listener) | resource |
 | [aws_service_discovery_private_dns_namespace.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/service_discovery_private_dns_namespace) | resource |