[RUBY] [Rails MySQL] How to reset DB on heroku


When I tried to reset the DB of the app on heroku created by Rails, I did `` `heroku run rake db: reset```, but an error occurred and I could not reset it.

Work done

In the error statement displayed in the terminal, it was written as follows.

rake aborted!
ActiveRecord::ProtectedEnvironmentError: You are attempting to run a destructive action against your 'production' database.
If you are sure you want to continue, run the same command with the environment variable:

When translated,

If you want to continue, run the same command with the environment variables.
 Because it is written


 I wrote it like this and executed it again, and the DB was successfully reset.

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