Settings. Then scroll to
https://github.com/heroku/heroku-buildpack-apt(a buildpack offered by Heroku that adds support for apt-based dependencies)
# Aptfile # This file lists the required apt packages. These are installed by the heroku-buildpack-apt buildpack # See https://github.com/heroku/heroku-buildpack-apt for details # Antivirus clamav clamav-daemon clamav-freshclam
# config/antivirus/freshclam.conf # This config file specifies where the application 'freshclam' looks for virus definition databases DatabaseMirror database.clamav.net
# config/antivirus/clamd.conf # TODO: I AM NOT SURE WHAT NEEDS TO BE IN THIS FILE
Copy the snippet above into CLI.