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Become an AWS pro with Terraform by learning its essentials, exploring features, and building projects. Developed by AWS Solution Certified Architects. Get hands-on, no setup, no cleanup, no hassle.

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In this course, you will work from the ground up, starting with what Terraform is and the problems it solves. The course will then guide you through the features of Terraform.

You will build on your knowledge with the end goal of you being comfortable building projects using Terraform.

Terraform: From Beginner to Master with Examples in AWS

# Terraform variables

A variable in Terraform is something that can be set at runtime. It allows you to vary what Terraform will do by passing in or using a dynamic value.

# Our first Variable

Let's dive into an example of how to use variables so we can learn how they work:



provider "aws" {
    region = "us-east-2"
}

variable "bucket_name" {
    description = "the name of the bucket you wish to create"
}

resource "aws_s3_bucket" "bucket" {
    bucket = var.bucket_name
}


You declare a variable by using the keyword `variable`, and then specify the identifier for the variable in quotes. We are using `"bucket_name"` as the identifier. Inside the `variable` block, we add a `description` to describe to the user what this `variable` is used for. The `description` parameter is completely optional. We could have defined the `variable` as follows:

```
variable "bucket_name" {}
```

This lesson will address Terraform variables and their uses. 

Variables

This lesson will address Terraform variables and their uses.

Getting Started

Introduction to Terraform

Your First Terraform Project

Resources

Providers

Data Sources

Outputs

Locals

Templates and Files

Variables

Using Variables to Create Dynamic Terraform Configurations

Project Layout

Modules

Create SQS Queues Using Terraform Modules

Plans

State

Manipulate State Using Terraform

Workspaces

Provisioners

Advanced Resources

Exercise

Create a VPC with a CIDR Range and Two Subnets with Terraform

Conclusion

Appendix

Variables

Terraform variables

Our first Variable