ssh-keygen -t rsa -b 4096 -f "nginx-server.key"

Connect to an instance

ssh -i "nginx-server.key" ec2-user@<Public IP Address>

Initialize the Terraform configuration directory.

Every time that you add a new module, you need to run the terraform init command.

terraform init

Format the Terraform configuration files.

terraform fmt

Create an execution plan.

terraform plan

terraform plan --var-file=qa.tfvars

Apply the changes required to reach the desired state of the configuration.

terraform apply

Show the outputs of the Terraform configuration.

terraform ouputs

Destroy the Terraform-managed infrastructure.

terraform destroy