- Restart:
heroku restart - Reset the DB:
heroku pg:reset DATABASE(no need to change the DATABASE) - Migration: It depends on the framework.
heroku run rake db:migrateOr,heroku run flask db upgradedepending the framework
On one line:
heroku restart && heroku pg:reset DATABASE_URL --confirm CHANGE_ME_TO_APP_NAME_ON_HEROKU && heroku run rake db:migrate...