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How To Scale Django/Postgres With PgBouncer on Heroku is a guide on how to scale your app. We'll use Django, a popular python web framework, as an example for the settings. The installation steps and the concepts should work for any app on the Heroku platform. The guide uses the client-side approach and gives you more control over each setting. To use this guide, your app must use the `DATABASE_URL` environment variable to configure its database-connection.