Run Ruby Script after Build on Heroku

Question

I have a rails app running on Heroku. I have it set to watch a branch on Github so that it automatically 'builds' and updates when I push a commit to that branch. Awesome.

I have a file in my repo scripts/dostuff.rb.

I want Heroku to fire off that script each time it 'builds' my rails app.

Google is not my friend with this one. How can I have my dostuff.rb script automatically run each time Heroku re-deploys my app?

Damien MATHIEU · Accepted Answer · 2017-09-25 07:36:44Z

3

Release Phase is the thing you want.
You'll be able to specify the process you want to run as a release process type in your procfile.

Then, that process will be executed automatically by heroku with every new release (build, config var changes, rollbacks, ...).
The new release will not be used on the app until the script has successfully exited.

answered Sep 25, 2017 at 7:36

Damien MATHIEU

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Zach Hajjaj · Accepted Answer · 2017-09-25 00:46:45Z

1

Have you seen this library before? https://github.com/weibeld/heroku-buildpack-run

You should be able to get this to fire the script on each compile.

Another option is to tweak your push command to something like:

$ git push heroku master && heroku run rake 'dostuff:run'

edited Sep 25, 2017 at 0:46

answered Sep 25, 2017 at 0:39

Zach Hajjaj

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