Add support for apt-based dependencies during both compile and runtime.
Added ability to also specify custom repositories through :repo: in Aptfile (see example below).
This buildpack is not meant to be used on its own, and instead should be in used in combination with Heroku's multiple buildpack support.
Include a list of apt package names to be installed in a file named Aptfile
heroku buildpacks:add --index 1 https://github.com/heroku/heroku-buildpack-apt
libpq-dev
http://downloads.sourceforge.net/project/wkhtmltopdf/0.12.1/wkhtmltox-0.12.1_linux-precise-amd64.deb
:repo:deb http://cz.archive.ubuntu.com/ubuntu artful main universe
source "https://rubygems.org"
gem "pg"
$ heroku run bash -a apt-pg-test
~ $ irb
irb(main):001:0> require "pg"
=> true
irb(main):002:0> PG::version_string
=> "PG 0.15.1"
MIT