add Deploy to Heroku button

README.md

@@ -46,6 +46,18 @@ Here's a chatbot [api-ai-bot](https://github.com/zixia/wechaty/blob/master/examp
 
 Natual Language Understanding enabled by [api.AI](https://api.ai), you can get your module on api.AI by it's free plan.
 
+# Deploy
+
+## Deploy with Heroku
+Follow [these instructions](https://wechaty.readme.io/docs).
+Then,
+[![Deploy to Heroku](https://www.herokucdn.com/deploy/button.svg)](https://heroku.com/deploy)
+
+## Deploy with Docker
+
+TBD
+
+
 # Installation
 
 ## Install from NPM

app.json

+{
+  "name": "Wechaty Cloud Bot",
+  "description": "Wechat for Bot. Get your own cloud bot by deploy me.",
+  "repository": "https://github.com/zixia/wechaty",
+  "logo": "https://raw.githubusercontent.com/zixia/wechaty/master/image/wechaty-icon.png",
+  "keywords": ["wechaty", "wechat", "bot", "chatbot", "framework", "cloudbot"],
+  "env": {
+    "WECHATY_TOKEN": {
+      "description": "Cloud access token for Wechaty.io",
+      "value": ""
+    },
+  },
+  "engines": {
+    "node": "6.2.2"
+  }
+}