diff --git a/config.rb b/config.rb
new file mode 100644
index 00000000..9c0a2150
--- /dev/null
+++ b/config.rb
@@ -0,0 +1,11 @@
+=begin
+This file can be used to (e.g.):
+- alter certain inner parts of Gollum,
+- extend it with your stuff.
+
+It is especially useful for customizing supported formats/markups. For more information and examples:
+- https://github.com/gollum/gollum#config-file
+
+=end
+
+# enter your Ruby code here ...
diff --git a/config.ru b/config.ru
new file mode 100644
index 00000000..48f605a4
--- /dev/null
+++ b/config.ru
@@ -0,0 +1,12 @@
+=begin
+You should use this file, if you wish to:
+- launch Gollum as a Rack app,
+- alter certain startup behaviour of Gollum.
+
+For more information and examples:
+- https://github.com/gollum/gollum/wiki/Gollum-via-Rack
+- https://github.com/gollum/gollum#config-file
+
+=end
+
+# enter your Ruby code here ...