Ah, OK, thanks for pointing out that feature of pkgr. I think Heroku would do well, in a hypothetical Cedar+1, to allow both buildpacks and apps to specify addi

Ah, OK, thanks for pointing out that feature of pkgr. I think Heroku would do well, in a hypothetical Cedar+1, to allow both buildpacks and apps to specify additional Ubuntu packages to be installed in the container, and then dramatically strip down the base system.