README - Added HEROKU build

Author: app-generator

README.md

@@ -223,6 +223,41 @@ Visit `http://localhost:5005` in your browser. The app should be up & running.
 
 <br />
 
+### [Heroku](https://www.heroku.com/)
+---
+
+Steps to deploy on **Heroku**
+
+- [Create a FREE account](https://signup.heroku.com/) on Heroku platform
+- [Install the Heroku CLI](https://devcenter.heroku.com/articles/getting-started-with-python#set-up) that match your OS: Mac, Unix or Windows
+- Open a terminal window and authenticate via `heroku login` command
+- Clone the sources and push the project for LIVE deployment
+
+```bash
+$ # Clone the source code:
+$ git clone https://github.com/app-generator/flask-dashboard-coreui.git
+$ cd flask-dashboard-coreui
+$
+$ # Check Heroku CLI is installed
+$ heroku -v
+heroku/7.25.0 win32-x64 node-v12.13.0 # <-- All good
+$
+$ # Check Heroku CLI is installed
+$ heroku login
+$ # this commaond will open a browser window - click the login button (in browser)
+$
+$ # Create the Heroku project
+$ heroku create
+$
+$ # Trigger the LIVE deploy
+$ git push heroku master
+$
+$ # Open the LIVE app in browser
+$ heroku open
+```
+
+<br />
+
 ### [Gunicorn](https://gunicorn.org/)
 ---