Update README by fixing broken links and add the option to deploy to …

…Heroku. Add app.json manifest file.

README.md

@@ -1,9 +1,9 @@
-# Checkout Components sample code
-
-> ⚠️ **This repository is for demo purposes only**
+# Adyen Components sample code
 
 ![Adyen Checkout Components Sample Code](screenshot.png)
 
+> ⚠️ **This repository is for demo purposes only**
+
 ## Requirements
 
 To run this project, **create** a `.env` file on your project's root folder following the example on `.env.default`.
@@ -13,7 +13,7 @@ MERCHANT_ACCOUNT=MyMerchantAccount
 CHECKOUT_APIKEY=MY_CHECKOUT_API_KEY
 ```
 
-These variables can be found in Adyen Customer Area. For more information, visit our [Getting Started guide](https://docs.adyen.com/developers/get-started-with-adyen/create-a-test-account).
+These variables can be found in Adyen Customer Area. For more information, visit our [Get started with Adyen guide](https://docs.adyen.com/payments-essentials/get-started-with-adyen).
 
 ## Installation
 
@@ -28,9 +28,14 @@ $ ./start.sh
 
 A PHP server will start on `http://localhost:3000`.
 
+### Deploying this example to Heroku
+
+Alternatively, you can install this example by using this shortcut to deploy to Heroku:<br/>
+[![Deploy](https://www.herokucdn.com/deploy/button.svg)](https://heroku.com/deploy?template=https://github.com/Adyen/adyen-components-js-sample-code)
+
 ## Documentation
 
-For the complete integration guide, refer to the [Checkout Components documentation](https://docs.adyen.com/checkout/components-web/).
+For the complete integration guide, refer to the [Web Components documentation](https://docs.adyen.com/checkout/components-web/).
 
 ## License
 

app.json

@@ -0,0 +1,23 @@
+{
+  "name": "Adyen Components Sample Code",
+  "description": "A php server example containing our Javascript SDK",
+  "keywords": [
+    "Adyen",
+    "Checkout",
+    "Components",
+    "Dropin",
+    "Web",
+    "JavaScript",
+    "payments"
+  ],
+  "website": "https://www.adyen.com/",
+  "repository": "https://github.com/Adyen/adyen-components-js-sample-code",
+  "env": {
+    "MERCHANT_ACCOUNT": {
+      "description": "Your merchant account"
+    },
+    "CHECKOUT_APIKEY": {
+      "description": "Your Checkout API key"
+    }
+  }
+}