mongoid config to connect to mongohq

mongoid.yml

<% if EY::Config.get(:mongohq, 'MONGOHQ_URL') %>
  <% uri = URI.parse(EY::Config.get(:mongohq, 'MONGOHQ_URL')) %>

staging:
  sessions:
    default:
      database: <%= uri.path.sub('/','') %>
      username: <%= uri.user %>
      password: <%= uri.password %>
      hosts:
        - <%= uri.host %>:<%= uri.port %>
      options:
        read: primary

production:
  sessions:
    default:
      database: <%= uri.path.sub('/','') %>
      username: <%= uri.user %>
      password: <%= uri.password %>
      hosts:
        - <%= uri.host %>:<%= uri.port %>
      options:
        read: primary
<% end %>