diff --git a/README.markdown b/README.markdown
index 99209830a..17ceba13a 100644
--- a/README.markdown
+++ b/README.markdown
@@ -1,6 +1,8 @@
 AsakusaSatellite
 ===================
 
+[![Deploy](https://www.herokucdn.com/deploy/button.png)](https://heroku.com/deploy)
+
 [![Build Status](https://secure.travis-ci.org/codefirst/AsakusaSatellite.png?branch=master)](http://travis-ci.org/codefirst/AsakusaSatellite) [![Code Climate](https://codeclimate.com/github/codefirst/AsakusaSatellite.png)](https://codeclimate.com/github/codefirst/AsakusaSatellite) [![Coverage Status](https://coveralls.io/repos/codefirst/AsakusaSatellite/badge.png?branch=master)](https://coveralls.io/r/codefirst/AsakusaSatellite) [![wercker status](https://app.wercker.com/status/b901326474567a915d89a93aed4b1ad5/s/ "wercker status")](https://app.wercker.com/project/bykey/b901326474567a915d89a93aed4b1ad5)
 
 Overview
diff --git a/app.json b/app.json
new file mode 100644
index 000000000..aa69e794c
--- /dev/null
+++ b/app.json
@@ -0,0 +1,25 @@
+{
+  "name": "asakusa-satellite",
+  "description": "A realtime chat application for developers",
+  "repository": "https://github.com/codefirst/AsakusaSatellite/",
+  "logo": "https://raw.githubusercontent.com/codefirst/AsakusaSatellite/master/app/assets/images/logo.png",
+  "env": {
+    "FILTER_NAME": {
+      "description": "Filter file name",
+      "value": "filter"
+    },
+    "MESSAGE_PUSHER_ENGINE": {
+      "description": "Message pusher type",
+      "value": "pusher"
+    },
+    "QUOTEIT_URL": {
+      "description": "QuoteIt URL",
+      "value": "https://quoteit.herokuapp.com"
+    }
+  },
+  "addons": [
+    "pusher",
+    "mongohq"
+  ]
+}
+
diff --git a/config/message_pusher.yml b/config/message_pusher.yml
index c405c1425..8b1f3060e 100644
--- a/config/message_pusher.yml
+++ b/config/message_pusher.yml
@@ -2,9 +2,9 @@ default: <%= ENV['MESSAGE_PUSHER_ENGINE'] || 'socky' %>
 
 engines:
  pusher:
-  app_id: <%= ENV['MESSAGE_PUSHER_PUSHER_APP_ID'] || 'your_app_id' %>
-  key:    <%= ENV['MESSAGE_PUSHER_PUSHER_KEY'] || 'your_key' %>
-  secret: <%= ENV['MESSAGE_PUSHER_PUSHER_SECRET'] || 'your_secret' %>
+  app_id: <%= ENV['MESSAGE_PUSHER_PUSHER_APP_ID'] %>
+  key:    <%= ENV['MESSAGE_PUSHER_PUSHER_KEY'] %>
+  secret: <%= ENV['MESSAGE_PUSHER_PUSHER_SECRET'] %>
  keima:
   url: <%= ENV['MESSAGE_PUSHER_KEIMA_URL'] || 'http://localhost:3001' %>
   key: <%= ENV['MESSAGE_PUSHER_KEIMA_KEY'] || '4e7c45a1a2cb660517000001' %>
diff --git a/config/mongoid.yml b/config/mongoid.yml
index 4fce77cb0..ccd80db80 100644
--- a/config/mongoid.yml
+++ b/config/mongoid.yml
@@ -7,6 +7,9 @@ test:
   database: asakusa_satellite_test
 
 production:
+  # if uri is available, uri has priority
+  uri: <%= ENV['MONGODB_URI'] || ENV['MONGOHQ_URL'] || ENV['MONGOLAB_URI'] %>
+  # if uri is not available, use below configuration
   host: <%= ENV['MONGODB_HOST'] || 'localhost' %>
   port: <%= ENV['MONGODB_PORT'] || 27017 %>
   database: <%= ENV['MONGODB_DATABASE'] || 'asakusa_satellite_production' %>
diff --git a/lib/asakusa_satellite/message_pusher.rb b/lib/asakusa_satellite/message_pusher.rb
index a450e17a9..1e3cc75e2 100644
--- a/lib/asakusa_satellite/message_pusher.rb
+++ b/lib/asakusa_satellite/message_pusher.rb
@@ -37,9 +37,11 @@ class Pusher < Engine
       secrets :secret
       def initialize(opt)
         super(opt)
-        ::Pusher.app_id = opt['app_id']
-        ::Pusher.key    = opt['key']
-        ::Pusher.secret = opt['secret']
+        unless ENV['PUSHER_URL']
+          ::Pusher.app_id = opt['app_id']
+          ::Pusher.key    = opt['key']
+          ::Pusher.secret = opt['secret']
+        end
       end
 
       def trigger(channel, event, data)
@@ -51,7 +53,7 @@ def jsFiles
       end
 
       def jsClass
-        key = @opt['key']
+        key = @opt['key'] || URI.parse(ENV['PUSHER_URL']).user
         "new Pusher('#{key}')"
       end
     end