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> If an issue is encountered during a Heroku deployment, be it manual or automatic, you can always rollback to the last known good release from either the CLI or in Dashboard.

How do you know if the build failed other than looking at the dashboard?

When deploying through the CLI, I can check the exit status of the command so my CI can take care of it and notify me of any issue.

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If the build fails, it won't be deployed and no rollback will be necessary.

With automatic deployments, if you have metrics or monitoring and discover a problem with a deployment, you can use rollback to revert. Just like you would have done with a release created by git-pushing to Heroku.

But how can I be notified of the fail?

When I deploy I don't look at the dashboard, I go back to business until my CI tell me deployment succeeded or failed.

>But how can I be notified of the fail?

In lots of deployments you can set to receive an email or even SMS for one...

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