Interpolation-only expressions are deprecated

[atharvs]

While running the terraform scripts, I am getting below warnings at several places:
Warning: Interpolation-only expressions are deprecated

on .terraform/modules/vpc/outputs.tf line 353, in output "vpc_endpoint_sqs_id":
353: value = "${element(concat(aws_vpc_endpoint.sqs.*.id, list("")), 0)}"

Versions:

terraform --version
Terraform v0.13.5

• provider registry.terraform.io/hashicorp/aws v3.18.0
• provider registry.terraform.io/hashicorp/kubernetes v1.13.3
• provider registry.terraform.io/hashicorp/local v1.4.0
• provider registry.terraform.io/hashicorp/null v2.1.2
• provider registry.terraform.io/hashicorp/random v2.3.1
• provider registry.terraform.io/hashicorp/template v2.2.0

Let me know if any other inputs required

[alanszlosek]

This should now be fixed by #64 and #65. Please let us know if you are still having issues.