diff --git a/.gitignore b/.gitignore
index ffa4a1bc7..5810401cb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,7 +5,7 @@
 *.swp
 /config/database.yml
 /config/configuration.yml
-/config/additional_environment.rb
+
 /files/*
 /log/*
 /public/tmp/*
diff --git a/config/additional_environment.rb b/config/additional_environment.rb
new file mode 100644
index 000000000..5c73f6aab
--- /dev/null
+++ b/config/additional_environment.rb
@@ -0,0 +1,3 @@
+if Rails.env.production?
+  config.cache_store = :redis_store, 'redis://localhost:6379/0/cache', { expires_in: 90.minutes   }
+end
\ No newline at end of file