Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)

Heroku dynamically assigns your app a port, so you can’t set the port to a fixed number. Heroku adds the port to the env, so you can pull it from there. Switch your listen to this:

.listen(process.env.PORT || 5000)

That way it’ll still listen to port 5000 when you test locally, but it will also work on Heroku.

You can check out the Heroku docs on Node.js here.

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