I store all my app\'s data in seeds.rb locally. However, after I pushing everything to Heroku, the app works well, but without any data. I do not want to re-input the mass d
If you have changed migrations then first you need to do is run migration
heroku run rake db:migrate
then
heroku run rake db:seed
If you don't have any data in database the I would suggest following is, But caution it will remove all current data from heroku database.
heroku run rake db:setup
Hope this helps you