> terragrunt apply
  [terragrunt] Configuring remote state for the s3 backend
  [terragrunt] Running command: terraform remote config
  [terragrunt] Attempting to acquire lock in DynamoDB
  [terragrunt] Attempting to create lock item table terragrunt_locks
  [terragrunt] Lock acquired!
  [terragrunt] Running command: terraform apply
 
  terraform apply
     
  aws_instance.example: Creating...
     ami: "" => "ami-0d729a60"
     instance_type: "" => "t2.micro"
    (...)
    Apply complete! Resources: 1 added, 0 changed, 0 destroyed.
   [terragrunt] Attempting to release lock
   [terragrunt] Lock released!