ReactJS APP in Heroku "Invalid Host header" HOST configuration?

ReactJS APP in Heroku "Invalid Host header" HOST configuration?

javascript reactjs heroku webpack redux

heroku

Adding server-side rendering to existing React+Redux+React-Router App hosted on Firebase

reactjs heroku redux react-router firebase-hosting

heroku

Enable CORS - Node.js + React/Redux + Axios deployed on Heroku

node.js reactjs heroku redux axios

heroku

React/Node app deployed to heroku shows a blank screen

node.js reactjs heroku webpack redux

heroku

Heroku app only works on Chrome Desktop // React.Js Application

javascript html reactjs heroku redux

heroku

How to push Create-React-App build to Heroku?

javascript reactjs heroku webpack redux

heroku

Steps to Deploy Express React Redux template to Heroku

node.js express reactjs heroku redux

heroku