documentation

.env

-REACT_APP_DEBUG=true
+REACT_APP_DEBUG=false
 REACT_APP_MQTT_TOPIC=/gateway/localhost.localdomain/sensors
 REACT_APP_MQTT_URL=ws://broker.mqttdashboard.com:8000/mqtt
\ No newline at end of file

README.md

 ### Deploy to AWS
 1. [Configure](https://docs.aws.amazon.com/cli/latest/userguide/cli-chap-getting-started.html) AWS cli sdk.
-2. Install [NodeJs](https://nodejs.org/en/) and [Yarn](https://yarnpkg.com/en/docs/install)
+2. Install [NodeJs >= 8](https://nodejs.org/en/) and [Yarn >= 1](https://yarnpkg.com/en/docs/install)
 3. Run in console.
 
 ```bash
 yarn install
 yarn run deploy --key <Name of an existing EC2 KeyPair>
 ```
-4. Wait for CloudFormation Stack creation.
+4. Wait for CloudFormation Stack creation. Edit env variables to change default broker before build web.
 
 ```bash
 yarn run publish