diff --git a/README.md b/README.md
index 0b69352..3a9133c 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ Simple web-app using [`article_json`](https://github.com/Devex/article_json) to
 
 1. Run `bundle install` to install all required dependencies
 1. Run `bundle exec ruby bin/setup.rb` and follow the instructions to set up your environment
-1. Execute `bundle exec ruby app/server` to start the server
+1. Execute `bundle exec rackup -p 4567 config.ru` to start the server
 1. You should be able to open the webapp via `http://localhost:4567` in your browser 
 
 ## Running the tests
diff --git a/config.ru b/config.ru
new file mode 100644
index 0000000..1d0388b
--- /dev/null
+++ b/config.ru
@@ -0,0 +1,2 @@
+require_relative 'app/server'
+run Sinatra::Application