reusability

# Using the module

module "api_service" {
  source = "./modules/ecs_service"

  service_name       = "api"

class AtLeastOneOfValidator < ActiveModel::Validator
  def validate(record)
    fields = Array(options[:fields])
    raise ArgumentError, "provide :fields" if fields.empty?

    return if fields.any? { |field| filled?(record.public_send(field)) }