Nodejs dot env
Ref: https://medium.com/the-node-js-collection/making-your-node-js-work-everywhere-with-environment-variables-2da8cdf6e786 https://www.npmjs.com/package/dotenv Install Read env file
Ref: https://medium.com/the-node-js-collection/making-your-node-js-work-everywhere-with-environment-variables-2da8cdf6e786 https://www.npmjs.com/package/dotenv Install Read env file
Ref: https://medium.com/@ysteven.chen2/how-to-deploy-your-react-app-on-heroku-and-create-your-environment-variables-8bc8e2ca7f78 Using cli heroku config:set TOKEN=token123 Using web ui: Go to project dashboard -> Settings: https://dashboard.heroku.com/apps/ntradebot/settings Config Vars -> Reveal Config Vars Add variables