Terraform s3 backend config using Cloudflare R2

backend.tf

terraform {
  backend "s3" {
    access_key                  = "<access_key_id>"
    secret_key                  = "<access_key_secret>"
    endpoint                    = "<account_id>.r2.cloudflarestorage.com"
    force_path_style            = true
    bucket                      = "<bucket name>" # e.g. tfstate
    key                         = "<state name>" # e.g. tfe
    region                      = "auto"
    skip_region_validation      = true
    skip_credentials_validation = true
  }
}