How to run a npm script on a deployed Heroku NodeJS app

Question

Under scripts in package.json I have the following.

'refresh': node refresh db

Is there a way to trigger this particular npm script on a NodeJS app deployed on Heroku.

Answer 1

Yes:

$ heroku run npm run refresh

Answer 2

Per the Heroku Node.js Documentation, you can add pre and post install scripts. In addition, you can add scripts that can be triggered by environment variables.