Ejercicios de Terraform

terraform {
  backend "s3" {
    bucket         = "company-terraform-state"
    key            = "app/terraform.tfstate"  # Base path
    region         = "eu-west-1"
    dynamodb_table = "terraform-locks"
    encrypt        = true
  }
}

# S3 automáticamente crea:
# env:/dev/app/terraform.tfstate
# env:/staging/app/terraform.tfstate
# env:/prod/app/terraform.tfstate

locals {
  env_config = {
    dev = {
      instance_type = "t3.micro"
      instance_count = 1
      backup_enabled = false
    }
    prod = {
      instance_type = "t3.large"
      instance_count = 3
      backup_enabled = true
    }
  }

  current_config = local.env_config[terraform.workspace]
}

resource "aws_instance" "app" {
  count         = local.current_config.instance_count
  instance_type = local.current_config.instance_type

  tags = {
    Environment = terraform.workspace
  }
}