Creating your first resource in Terraform - Quick Revision & Summary

Recall & Review

beginner

What is a resource in Terraform?

A resource in Terraform is a component of your infrastructure, like a server or database, that Terraform manages and creates for you.

beginner

How do you define a resource in Terraform?

You define a resource using the resource block with a resource type and a name, for example: <br>

resource "aws_instance" "example" {<br>  ami = "ami-12345678"<br>  instance_type = "t2.micro"<br>}

beginner

What command do you run to apply your Terraform configuration and create resources?

You run terraform apply to create or update resources defined in your Terraform files.

beginner

Why is it important to run terraform init before applying your configuration?

terraform init downloads necessary provider plugins and prepares your working directory so Terraform can manage resources properly.

beginner

What does Terraform keep track of to know what resources it manages?

Terraform keeps a state file that records the current status of your infrastructure resources.

Which Terraform command initializes your working directory and downloads providers?

A terraform plan

B terraform apply

C terraform destroy

D terraform init

terraform init sets up your directory and downloads providers needed to manage resources.

What is the purpose of the resource block in Terraform?

A To configure user permissions

B To define infrastructure components to create

C To store Terraform state

D To write scripts for automation

The resource block tells Terraform what infrastructure to create or manage.

Which command shows you what Terraform will do before making changes?

A terraform init

B terraform apply

C terraform plan

D terraform validate

terraform plan previews changes without applying them.

What file does Terraform use to track the current state of your infrastructure?

A terraform.tfstate

B main.tf

C variables.tf

D outputs.tf

Terraform stores state information in terraform.tfstate.

What happens when you run terraform apply?

A Terraform creates or updates resources as defined

B Terraform deletes all resources

C Terraform shows a plan but does not change anything

D Terraform initializes the directory

terraform apply makes the changes to your infrastructure.

Explain the steps to create your first resource using Terraform.

Think about writing code, preparing Terraform, checking changes, then applying.

Describe what Terraform state is and why it matters when creating resources.

Imagine a checklist Terraform uses to remember what it created.