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How To Deploy Angular App On Heroku: How To deploy angular app on Heroku? We will talk about that how we can change our Angular app environment at run time when deploying the code. The solution for this is to have multiple environment file and choose one of them at the time of deployment dynamically. The next step is to create environment variable at Heroku. If you need help deploy angular webapp on heroku you can follow this: How-to-deploy-angular-6-app-on-heroku/