registry.rb

require 'freegeoip'
require 'ecb_rates'

module ExternalServices
  module_function
  
  def freegeoip
    @freegeoip ||= Freegeoip.new(ENV.fetch('FREEGEOIP_URL'))
  end

  def ecb_rates
    @ecb_rates ||= EcbRates.new(ENV.fetch('ECB_RATES_URL'))
  end
end