some config changes for rails 4 found on the Internet

config/application.rb

@@ -44,14 +44,7 @@ module Metamaps
     # like if you have constraints or database-specific column types
     # config.active_record.schema_format = :sql
 
-    # Enforce whitelist mode for mass assignment.
-    # This will create an empty whitelist of attributes available for mass-assignment for all models
-    # in your app. As such, your models will need to explicitly whitelist or blacklist accessible
-    # parameters by using an attr_accessible or attr_protected declaration.
-    # config.active_record.whitelist_attributes = true
-
     # Enable the asset pipeline
-    config.assets.enabled = true
     config.assets.initialize_on_precompile = false
       
     # Version of your assets, change this if you want to expire all your assets

config/environments/development.rb

@@ -1,14 +1,13 @@
 Metamaps::Application.configure do
   # Settings specified here will take precedence over those in config/application.rb
 
+  config.eager_load = false
+
   # In the development environment your application's code is reloaded on
   # every request. This slows down response time but is perfect for development
   # since you don't have to restart the web server when you make code changes.
   config.cache_classes = false
 
-  # Log error messages when you accidentally call methods on nil.
-  config.whiny_nils = true
-
   # Show full error reports and disable caching
   config.consider_all_requests_local       = true
   config.action_controller.perform_caching = false
@@ -40,16 +39,6 @@ Metamaps::Application.configure do
   # Print deprecation notices to the Rails logger
   config.active_support.deprecation = :log
 
-  # Only use best-standards-support built into browsers
-  config.action_dispatch.best_standards_support = :builtin
-
-  # Raise exception on mass assignment protection for Active Record models
-  config.active_record.mass_assignment_sanitizer = :strict
-
-  # Log the query plan for queries taking more than this (works
-  # with SQLite, MySQL, and PostgreSQL)
-  config.active_record.auto_explain_threshold_in_seconds = 0.5
-
   # Do not compress assets
   config.assets.compress = false
 

config/environments/production.rb

@@ -1,6 +1,9 @@
 Metamaps::Application.configure do
   # Settings specified here will take precedence over those in config/application.rb
 
+  config.eager_load = true
+  config.assets.js_compressor = :uglifier
+
   # Code is not reloaded between requests
   config.cache_classes = true
 

config/environments/test.rb

@@ -1,6 +1,8 @@
 Metamaps::Application.configure do
   # Settings specified here will take precedence over those in config/application.rb
 
+  config.eager_load = false
+
   # The test environment is used exclusively to run your application's
   # test suite. You never need to work with it otherwise. Remember that
   # your test database is "scratch space" for the test suite and is wiped
@@ -11,9 +13,6 @@ Metamaps::Application.configure do
   config.serve_static_assets = true
   config.static_cache_control = "public, max-age=3600"
 
-  # Log error messages when you accidentally call methods on nil
-  config.whiny_nils = true
-
   # Show full error reports and disable caching
   config.consider_all_requests_local       = true
   config.action_controller.perform_caching = false
@@ -29,9 +28,6 @@ Metamaps::Application.configure do
   # ActionMailer::Base.deliveries array.
   config.action_mailer.delivery_method = :test
 
-  # Raise exception on mass assignment protection for Active Record models
-  config.active_record.mass_assignment_sanitizer = :strict
-
   # Print deprecation notices to the stderr
   config.active_support.deprecation = :stderr
 end