Heroku Demo

Install dependencies:

npm install

Create a file called .env inside the server folder and add your Twitter credentials

  CONSUMER_KEY=
  CONSUMER_SECRET=
  ACCESS_TOKEN_KEY=
  ACCESS_TOKEN_SECRET=

npm run start

Runs the server in development mode using nodemon.

Runs React with WebpackDevServer.

Starts the app.

Builds the app for production to the build folder.
It correctly bundles React in production mode and optimizes the build for the best performance.

More info here