This is smart, I usually use the precompile with upload to S3 via asset_sync gem. Since Heroku will precompile by default, what do you do to disable it. Just turning on config.serve_static_assets = true is likely not enough.
> This is smart, I usually use the precompile with upload to S3 via asset_sync gem
I used to do the same until cloudfront rolled out custom origins.
> Since Heroku will precompile by default, what do you do to disable it.
I misspoke in my comment, what I meant was you can skip the synch with S3 step. I've never actually bothered to stop heroku precompiling assets (though I may as well). This question on SO looks promising: