Require assets in all environments by default and provide a way to opt-out from uglifier.

actionpack/lib/sprockets/railtie.rb

@@ -70,8 +70,13 @@ def asset_environment(app)
         if assets.compress
           # temporarily hardcode default JS compressor to uglify. Soon, it will work
           # the same as SCSS, where a default plugin sets the default.
-          env.js_compressor  = LazyCompressor.new { expand_js_compressor(assets.js_compressor || :uglifier) }
-          env.css_compressor = LazyCompressor.new { expand_css_compressor(assets.css_compressor) }
+          unless assets.js_compressor == false
+            env.js_compressor  = LazyCompressor.new { expand_js_compressor(assets.js_compressor || :uglifier) }
+          end
+
+          unless assets.css_compressor == false
+            env.css_compressor = LazyCompressor.new { expand_css_compressor(assets.css_compressor) }
+          end
         end
 
         env

railties/lib/rails/generators/rails/app/templates/config/application.rb

@@ -15,7 +15,7 @@
 # If you have a Gemfile, require the default gems, the ones in the
 # current environment and also include :assets gems if in development
 # or test environments.
-Bundler.require *Rails.groups(:assets => %w(development test)) if defined?(Bundler)
+Bundler.require *Rails.groups(:assets) if defined?(Bundler)
 
 module <%= app_const_base %>
   class Application < Rails::Application