Destroying infrastructure with Terraform is as easy as or even easier than creating it. All you need to do is to run the terraform destroy command, as shown here: 

$> terraform destroy
Do you really want to destroy?
  Terraform will delete all your managed infrastructure.
  There is no undo. Only 'yes' will be accepted to confirm.
  Enter a value: 

Terraform is nice enough to ask you for a confirmation, in case you typed the terraform destroy command by accident:

aws_instance.hello-instance: Refreshing state... (ID: i-06f88fe6a2b4307b8)
aws_instance.hello-instance: Destroying...
aws_instance.hello-instance: Still destroying... (10s elapsed)
aws_instance.hello-instance: Still destroying... (20s elapsed)
aws_instance.hello-instance: Destruction complete
Apply complete! Resources: 0 added, 0 changed, 1 destroyed.

If we want to get rid of only one particular resource from our template, we don't need to run the terraform destroy command. We could simply remove...