Terraform will perform the following actions:

  # aws_db_instance.primary will be updated in-place
  # aws_instance.app_server will be created
  # aws_s3_bucket.artifacts will be created
  # aws_security_group.app_sg will be created
  # module.vpc.aws_nat_gateway.this will be destroyed

Plan: 3 to add, 1 to change, 1 to destroy.
