diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..f5e145b
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,3 @@
+source 'https://rubygems.org'
+
+gem 'sinatra', '~> 1.4.8'
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000..b524466
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,20 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    rack (1.6.5)
+    rack-protection (1.5.3)
+      rack
+    sinatra (1.4.8)
+      rack (~> 1.5)
+      rack-protection (~> 1.4)
+      tilt (>= 1.3, < 3)
+    tilt (2.0.7)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  sinatra (~> 1.4.8)
+
+BUNDLED WITH
+   1.11.2
diff --git a/README.md b/README.md
index 1924f3b..457401e 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,11 @@
 # spotify-slack-status
+
 Update your Slack status based on the track currently playing in Spotify.
+
+## How to Develop
+
+```bash
+bundle install
+rackup
+open http://localhost:9292/
+```
diff --git a/app.rb b/app.rb
new file mode 100644
index 0000000..f01822f
--- /dev/null
+++ b/app.rb
@@ -0,0 +1,5 @@
+require 'sinatra'
+
+get '/' do
+  "Hello World!"
+end
diff --git a/config.ru b/config.ru
new file mode 100644
index 0000000..76a6edf
--- /dev/null
+++ b/config.ru
@@ -0,0 +1,2 @@
+require './app'
+run Sinatra::Application