```ruby
require 'rubygems'
require './lookup_service.rb'

CgLookupService::App.set :run, false   # disable built-in sinatra web server
CgLookupService::App.set :environment, :development

run CgLookupService::App
```

Fix the require path for lookup_service.rb when running from a different directory.
user
```ruby
require 'rubygems'
require "#{File.expand_path(File.dirname(__FILE__))}/lookup_service.rb"

CgLookupService::App.set :run, false   # disable built-in sinatra web server
CgLookupService::App.set :environment, :development

run CgLookupService::App
```
assistant