Install and configure dalli for staging and production environments

Gemfile

@@ -32,6 +32,7 @@ gem "active_model_serializers"
 gem 'oj'
 gem 'deface', :github => 'spree/deface', :ref => '1110a13'
 gem 'paperclip'
+gem 'dalli'
 gem 'geocoder'
 gem 'gmaps4rails'
 gem 'spinjs-rails'

Gemfile.lock

@@ -206,6 +206,7 @@ GEM
       compass (>= 0.12.2, < 0.14)
     crack (0.4.1)
       safe_yaml (~> 0.9.0)
+    dalli (2.7.2)
     database_cleaner (0.7.1)
     db2fog (0.8.0)
       activerecord (~> 3.0)
@@ -507,6 +508,7 @@ DEPENDENCIES
   comfortable_mexican_sofa
   compass-rails
   custom_error_message!
+  dalli
   database_cleaner (= 0.7.1)
   db2fog
   debugger-linecache

config/environments/production.rb

@@ -37,7 +37,7 @@ Openfoodnetwork::Application.configure do
   # config.logger = SyslogLogger.new
 
   # Use a different cache store in production
-  # config.cache_store = :mem_cache_store
+  config.cache_store = :dalli_store
 
   # Enable serving of images, stylesheets, and JavaScripts from an asset server
   # config.action_controller.asset_host = "http://assets.example.com"

config/environments/staging.rb

@@ -37,7 +37,7 @@ Openfoodnetwork::Application.configure do
   # config.logger = SyslogLogger.new
 
   # Use a different cache store in production
-  # config.cache_store = :mem_cache_store
+  config.cache_store = :dalli_store
 
   # Enable serving of images, stylesheets, and JavaScripts from an asset server
   # config.action_controller.asset_host = "http://assets.example.com"