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I can't remember what book it was that was I reading, working through some language/framework of the month. They had you register an account on GitHub, and then on Heroku. You'd push the chapter's exercise up there, deploy it, and then never look at it again.

I always wondered how many millions of repos/apps were out there because of stuff like that.

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Free apps will shut down after periods of no traffic, so these kinds of projects aren't costing compute, but i suppose there's some overhead in storage.

There is some compute cost with supporting infra migrations for them.

Not sure how sophisticated their traffic monitoring has become but to avoid this it used to be as simple as having the dyno ping itself. Doesn't avoid the hard cap on hourly compute though.

Do you think people working on tutorials that have them deploy a chapter's exercise to heroku, to never look at it again, are setting up things to have the dyno ping itself?

Guilty, when I was learning django I probably orphaned like 20 or 30 myself.

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