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terraform-aws

Provision AWS infrastructure with Terraform. Create modules, manage state, and implement IaC best practices. Use when deploying AWS resources declaratively.

Published by BagelHole ↗BagelHole/DevOps-Security-Agent-Skills

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terraform-aws

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Use terraform-aws to draft a version-pinned Terraform module for [AWS workload] in [AWS region], using remote state with locking and environment-separated state; provide the plan for review only and do not apply or destroy resources.

Required inputs

  • [AWS workload]
  • [AWS region]

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SKILL.md

name: terraform-awsdescription: Provision AWS infrastructure with Terraform. Create modules, manage state, and implement IaC best practices. Use when deploying AWS resources declaratively.license: MITmetadata:   author: devops-skills  version: "1.0"

Terraform AWS

Provision and manage AWS infrastructure with Terraform.

Provider Configuration

terraform {
  required_providers {
    aws = {
      source  = "hashicorp/aws"
      version = "~> 5.0"
    }
  }
  
  backend "s3" {
    bucket = "terraform-state"
    key    = "prod/terraform.tfstate"
    region = "us-east-1"
  }
}

provider "aws" {
  region = var.region
  
  default_tags {
    tags = {
      Environment = var.environment
      ManagedBy   = "terraform"
    }
  }
}

Example Resources

resource "aws_vpc" "main" {
  cidr_block           = "10.0.0.0/16"
  enable_dns_hostnames = true
  
  tags = { Name = "main-vpc" }
}

resource "aws_instance" "web" {
  ami           = data.aws_ami.amazon_linux.id
  instance_type = "t3.micro"
  subnet_id     = aws_subnet.public.id
  
  tags = { Name = "web-server" }
}

Modules

module "vpc" {
  source = "terraform-aws-modules/vpc/aws"
  
  name = "my-vpc"
  cidr = "10.0.0.0/16"
  
  azs             = ["us-east-1a", "us-east-1b"]
  private_subnets = ["10.0.1.0/24", "10.0.2.0/24"]
  public_subnets  = ["10.0.101.0/24", "10.0.102.0/24"]
  
  enable_nat_gateway = true
}

Commands

terraform init
terraform plan -out=plan.tfplan
terraform apply plan.tfplan
terraform destroy

Best Practices

  • Use remote state with locking
  • Implement module structure
  • Use workspaces or separate states per environment
  • Pin provider versions
  • Use data sources for AMIs

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