terraform {
  required_version = ">= 1.12"
  required_providers {
    aws = {
      source  = "hashicorp/aws"
      version = "~> 5.92"
    }
  }

 backend "s3" {
   bucket = "tf-123-state"
   key    = "state"
   region = "eu-west-1"
   use_lockfile = true  #S3 native locking
 }
}