When building container images, yes. However in heroku I'm not sure how to do this without custom buildpacks (e.g. https://elements.heroku.com/buildpacks/istrat

When building container images, yes. However in heroku I'm not sure how to do this without custom buildpacks (e.g. https://elements.heroku.com/buildpacks/istrategylabs/heroku-buildpack-node-cleanup https://elements.heroku.com/buildpacks/istrategylabs/heroku-...). Custom buildpacks reduce the value add of heroku for my small team. Ultimately my solution will likely be build the assets in CI and deliver via CDN or check into the repo on some release branch. Edit: I intentionally omitted the gem sizes as that was a prior cost of using rails