injection.rb

class MyNewAwesomeClass
  DEPENDENCIES = {
    logger: -> { Rails.logger },
    logic: -> { MyBusinessLogic.new },
    service: -> { MyServiceClass }
  }

  attr_accessor :dependencies

  def initialize(deps={})
    @dependencies = DEPENDENCIES.clone.merge(deps)
  end

  def logger
    @dependencies.fetch(:logger).call
  end
end