Terraform (now OpenTofu) is an Infrastructure as Code (IaC) tool that allows you to define and provision cloud infrastructure using declarative configuration files. It supports multiple cloud providers and services.

Key Features

• Infrastructure as Code - Define infrastructure in configuration files
• Multi-cloud - Support for AWS, Azure, GCP, and more
• State Management - Track infrastructure changes
• Plan and Apply - Preview changes before applying
• Modules - Reusable infrastructure components

Common Use Cases

• Cloud Infrastructure - Provision servers, databases, and services
• Multi-cloud - Manage resources across different cloud providers
• DevOps - Automate infrastructure deployment
• Disaster Recovery - Recreate infrastructure from code
• Compliance - Version control and audit infrastructure changes

Getting Started

# main.tf
provider "aws" {
  region = "us-west-2"
}

resource "aws_instance" "web" {
  ami           = "ami-0c55b159cbfafe1d0"
  instance_type = "t2.micro"

  tags = {
    Name = "HelloWorld"
  }
}

# Initialize Terraform
terraform init

# Plan changes
terraform plan

# Apply changes
terraform apply

Why Choose Terraform/OpenTofu?

Terraform excels when you need:

• Infrastructure as Code - Version control your infrastructure
• Multi-cloud - Manage resources across different providers
• Automation - Automate infrastructure deployment
• Consistency - Ensure consistent infrastructure across environments
• Collaboration - Share infrastructure definitions with teams

Terraform is essential for modern DevOps practices and cloud infrastructure management.