diff --git a/docs/source/attributes.rst b/docs/source/attributes.rst
index 60c846b3..488c488a 100644
--- a/docs/source/attributes.rst
+++ b/docs/source/attributes.rst
@@ -564,6 +564,25 @@ passenger
     made to your web server. Useful for certain hybrid static/dynamic
     web sites.
 
+- ``app['appserver']['pool_idle_time']``
+
+  - **Type:** Integer
+  - **Default:** 300
+  - Sets the ``PoolIdleTime`` parameter
+
+- ``app['appserver']['max_request_queue_size']``
+
+  - **Type:** Integer
+  - **Default:** 100
+  - Sets the ``MaxRequestQueueSize`` parameter
+
+- ``app['appserver']['error_document']``
+
+  - **Type:** Hash
+  - **Default:** off
+  - Sets the { "status": "file" } parameter
+    e.g. { "500": "500.html", "503": "503.html" }
+
 webserver
 ~~~~~~~~~
 
diff --git a/libraries/drivers_appserver_passenger.rb b/libraries/drivers_appserver_passenger.rb
index dd0159f8..07841003 100644
--- a/libraries/drivers_appserver_passenger.rb
+++ b/libraries/drivers_appserver_passenger.rb
@@ -5,7 +5,7 @@ module Appserver
     class Passenger < Drivers::Appserver::Base
       adapter :passenger
       allowed_engines :passenger
-      output filter: %i[max_pool_size min_instances mount_point]
+      output filter: %i[max_pool_size min_instances mount_point pool_idle_time max_request_queue_size error_document]
 
       def manual_action(action); end
 
@@ -17,7 +17,7 @@ def add_appserver_service_context; end
 
       def webserver_config_params
         o = out
-        Hash[%i[max_pool_size min_instances mount_point].map { |k| [k, o[k]] }].reject { |_k, v| v.nil? }
+        Hash[%i[max_pool_size min_instances mount_point pool_idle_time max_request_queue_size error_document].map { |k| [k, o[k]] }].reject { |_k, v| v.nil? }
       end
     end
   end
diff --git a/spec/unit/recipes/configure_spec.rb b/spec/unit/recipes/configure_spec.rb
index a19e8a52..9657cc44 100644
--- a/spec/unit/recipes/configure_spec.rb
+++ b/spec/unit/recipes/configure_spec.rb
@@ -879,6 +879,9 @@
         deploy['dummy_project']['appserver']['max_pool_size'] = 10
         deploy['dummy_project']['appserver']['min_instances'] = 5
         deploy['dummy_project']['appserver']['mount_point'] = '/some/mount/point'
+        deploy['dummy_project']['appserver']['pool_idle_time'] = 300
+        deploy['dummy_project']['appserver']['max_request_queue_size'] = 100
+        deploy['dummy_project']['appserver']['error_document'] = { "503": "503.html", "504": "504.html" }
         deploy['dummy_project']['webserver']['adapter'] = 'apache2'
         deploy['dummy_project']['global']['environment'] = 'production'
         solo_node.set['deploy'] = deploy
diff --git a/templates/default/appserver.apache2.passenger.conf.erb b/templates/default/appserver.apache2.passenger.conf.erb
index f199af6f..2945c954 100644
--- a/templates/default/appserver.apache2.passenger.conf.erb
+++ b/templates/default/appserver.apache2.passenger.conf.erb
@@ -55,6 +55,12 @@ Header always unset "X-Powered-By"
 <% if @appserver_config[:min_instances] -%>
   PassengerMinInstances <%= @appserver_config[:min_instances] %>
 <% end %>
+<% if @appserver_config[:pool_idle_time] -%>
+  PassengerPoolIdleTime <%= @appserver_config[:pool_idle_time] %>
+<% end %>
+<% if @appserver_config[:max_request_queue_size] -%>
+  PassengerMaxRequestQueueSize <%= @appserver_config[:max_request_queue_size] %>
+<% end %>
 
   <Location <%= @appserver_config[:mount_point] %>>
     PassengerAppEnv <%= @deploy_env %>
@@ -63,6 +69,13 @@ Header always unset "X-Powered-By"
   </Location>
 
   RewriteEngine on
+
+  <% if @appserver_config[:error_document] -%>
+  PassengerErrorOverride on
+  <% @appserver_config[:error_document].each do | status, file | %>
+  ErrorDocument <%= status %> "/<%= file %>"
+  <% end %>
+  <% end %>
 <% end %>
 
   <%= @out[:extra_config] %>
@@ -138,6 +151,12 @@ SSLStaplingCache "shmcb:logs/stapling-cache(150000)"
 <% if @appserver_config[:min_instances] -%>
   PassengerMinInstances <%= @appserver_config[:min_instances] %>
 <% end %>
+<% if @appserver_config[:pool_idle_time] -%>
+  PassengerPoolIdleTime <%= @appserver_config[:pool_idle_time] %>
+<% end %>
+<% if @appserver_config[:max_request_queue_size] -%>
+  PassengerMaxRequestQueueSize <%= @appserver_config[:max_request_queue_size] %>
+<% end %>
 
   <Location <%= @appserver_config[:mount_point] %>>
     PassengerAppEnv <%= @deploy_env %>
@@ -149,6 +168,13 @@ SSLStaplingCache "shmcb:logs/stapling-cache(150000)"
 
   RewriteEngine on
 
+  <% if @appserver_config[:error_document] -%>
+  PassengerErrorOverride on
+  <% @appserver_config[:error_document].each do | status, file | %>
+  ErrorDocument <%= status %> "/<%= file %>"
+  <% end %>
+  <% end %>
+
   <%= @out[:extra_config_ssl] %>
 
 </VirtualHost>