🌍 What is Terraform?

Terraform is an Infrastructure as Code (IaC) tool developed by HashiCorp that allows you to define, provision, and manage cloud infrastructure using a declarative configuration language.

🚀 Key Features of Terraform

✅ Declarative Syntax – You define what infrastructure you want, and Terraform figures out how to create it.

✅ Multi-Cloud Support – Works with AWS, Azure, Google Cloud, Kubernetes, and more.

✅ State Management – Tracks infrastructure changes via a state file (terraform.tfstate).

✅ Plan & Apply Workflow – You can preview changes before applying them (terraform plan → terraform apply).

✅ Reusable Modules – Create reusable templates for infrastructure.

🛠️ How Does Terraform Work?

1️⃣ Write Configuration

• Define resources (e.g., EC2, S3, RDS) in .tf files using HashiCorp Configuration Language (HCL).

resource "aws_instance" "example" {
  ami           = "ami-0abcdef1234567890"
  instance_type = "t2.micro"
}

2️⃣ Initialize Terraform

terraform init

• Downloads provider plugins (e.g., AWS, Azure).

3️⃣ Plan Infrastructure Changes

terraform plan

• Shows what changes will be made.