diff --git a/README.md b/README.md
index 88edeb7..3f7db1c 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,3 @@
 # roda-templates
 
+Install prereq: sudo apt install puma, sudo gem install roda --no-document
diff --git a/config.ru b/config.ru
new file mode 100644
index 0000000..77fc7ae
--- /dev/null
+++ b/config.ru
@@ -0,0 +1,15 @@
+require 'roda'
+
+class App < Roda
+  route do |r|
+    r.root do
+      "<h1>Hello, World!</h1>"
+    end
+
+    r.is String do |name|
+      "<h1>Hello, #{name.capitalize}!</h1>"
+    end
+  end
+end
+
+run App