config.assets.compile=true in Rails production, why not?

Question

The default Rails app installed by rails new has config.assets.compile = false in production.

And the ordinary way to do things is to run

Answer 1

For anyone using Heroku:

If you deploy to Herkou, it will do the precompile for you automatically during the deploy if compiled assets are not included (i.e. public/assets not committed) so no need for config.assets.compile = true, or to commit the precompiled assets.

Heroku's docs are here. A CDN is recommended to remove the load on the dyno resource.