diff --git a/app/controllers/stats_controller.rb b/app/controllers/stats_controller.rb
index c2c7bc58..893a16c9 100644
--- a/app/controllers/stats_controller.rb
+++ b/app/controllers/stats_controller.rb
@@ -209,7 +209,7 @@ class StatsController < ApplicationController
   #
   # @return [Integer]
   def nodes
-    @nodes ||= ENV.fetch('NODES', 1).to_i
+    @nodes ||= Rails.application.nodes.size + 1
   end
 
   def period
diff --git a/config/database.yml b/config/database.yml
index cd599a24..41fae09c 100644
--- a/config/database.yml
+++ b/config/database.yml
@@ -26,8 +26,4 @@ test:
   user: <%= ENV['USER'] %>
 
 production:
-  adapter: postgresql
-  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
-  database: <%= ENV.fetch('DATABASE') { 'sutty' } %>
-  user: sutty
-  host: postgresql
+  url: <%= ENV['DATABASE_URL'] %>