How to stop an app on Heroku?

Question

I have an app on Heroku which is being used by few users. However, I notice there are some data issues which i\'d like to fix and stop the app in the mean time so users don\

Answer 1

http://devcenter.heroku.com/articles/maintenance-mode

If you’re deploying a large migration or need to disable access to your application for some length of time, you can use Heroku’s built in maintenance mode. It will serve a static page to all visitors, while still allowing you to run rake tasks or console commands.

$ heroku maintenance:on
Maintenance mode enabled.

and later

$ heroku maintenance:off
Maintenance mode disabled.