For default template, just
fork the repo
plug in your github details on Heroku's "Deploy" tab (after creating a new heroku "app")
You may keep your master branch out of heroku by creating a new branch called "deploy" or something.
Go to "Settings" tab, click "Reveal Config Vars"
Define: PORT and COSGO_DESTINATION
Go to "Deploy" tab, scroll down and link up your repository [choose the branch] and scroll down to manual deploy and click:
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