Terraform Infrastructure as Code: Deploy Cloud Resources Like a Pro

Terraform by HashiCorp is the industry standard for Infrastructure as Code.

First Configuration

terraform {
  required_providers {
    aws = { source = "hashicorp/aws", version = "~> 5.0" }
  }
}

provider "aws" { region = var.aws_region }

resource "aws_instance" "web" {
  ami           = "ami-0c55b159cbfafe1f0"
  instance_type = var.instance_type
  tags = { Name = "web-server" }
}

Workflow

terraform init
terraform plan
terraform apply
terraform destroy

Remote State

terraform {
  backend "s3" {
    bucket = "my-terraform-state"
    key    = "prod/terraform.tfstate"
  }
}

Modules

module "production_vpc" {
  source   = "./modules/vpc"
  vpc_cidr = "10.0.0.0/16"
}

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