gistfile1.diff

diff --git a/config/initializers/_mongo.rb b/config/initializers/_mongo.rb
index 2764f97..88d21ec 100644
--- a/config/initializers/_mongo.rb
+++ b/config/initializers/_mongo.rb
@@ -2,10 +2,12 @@
 #   licensed under the Affero General Public License version 3.  See
 #   the COPYRIGHT file.
 
+require "uri"
 
-MongoMapper.connection = Mongo::Connection.new('localhost', 27017)
+uri = URI.parse(ENV['MONGOHQ_URL'])
+MongoMapper.connection = Mongo::Connection.from_uri(ENV['MONGOHQ_URL'])
 
-MongoMapper.database = "diaspora-#{Rails.env}"
+MongoMapper.database = uri.path.gsub(/^\//, '')
 
 if defined?(PhusionPassenger)
    PhusionPassenger.on_event(:starting_worker_process) do |forked|