?? Day 13: Writing Your First Terraform Code – Let’s Start Provisioning! ??

Infrastructure as Code (IaC) is the backbone of modern cloud management, and Terraform makes it incredibly accessible. Today, we’re diving into writing Terraform scripts to provision cloud resources. If you’re new to this, don’t worry—Terraform’s declarative syntax and resource-based approach simplify it!

?? Why Terraform for Provisioning?

With Terraform, defining cloud resources in code means you can easily manage, version, and automate infrastructure. This approach boosts reliability, consistency, and repeatability across deployments, saving you time and reducing human error.

?? Getting Started with Resource Provisioning

In today’s guide, we’ll walk through provisioning an AWS EC2 instance (or any cloud resource) from scratch. Here’s the breakdown:

1. Define the Provider Set up your cloud provider configuration, e.g., provider "aws", to tell Terraform where to create your resources.
2. Write Resource Blocks For example, an EC2 instance would look like this:

resource "aws_instance" "my_first_instance" {
  ami           = "ami-0c55b159cbfafe1f0" # Example AMI for Amazon Linux
  instance_type = "t2.micro"
}        

1. Validate and Execute Use terraform plan to preview the resource changes, then terraform apply to deploy. Terraform handles provisioning, helping you avoid manual configurations.
2. Outputs and Variables Enhance your scripts with outputs (e.g., instance IPs) and variables for reusability and flexibility, making scripts adaptable to different environments.