Reduce Heroku Compiled Slug Size

Question

I\'ve just updated rails to v2.3.6 on my app under a bamboo-ree-1.8.7 stack and the compiled slug size has grown up to 40.5Mb! Previous to that last git push, the slug size was

Answer 1

You can also exclude any gems that aren't used in production environment to trim things down a bit. Make sure your Gemfile splits gems according to environment and then exclude those environments that aren't needed.

heroku config:add BUNDLE_WITHOUT="development:test:staging"

Taken from a Heroku blog which is here