# Using heroku run for Interactive One-Off Dynos on Heroku Fir

DevFeed: [Using heroku run for Interactive One-Off Dynos on Heroku Fir](<https://devfeed.tech/articles/triage-and-fix-with-confidence-heroku-run-and-otel-on-heroku-fir-26444.md>)

Original publisher: [Read original article](<https://www.heroku.com/blog/heroku-run-and-otel-on-heroku-fir/>)

Author: Su Glasgo

Published: 2025-09-08T21:33:43Z

Content type: article

Language: en

Sources: [Heroku](<https://devfeed.tech/sources/heroku.md>)

Topics: [Heroku](<https://devfeed.tech/topics/heroku.md>), [Command-line interface](<https://devfeed.tech/topics/cli.md>), [Database Migration](<https://devfeed.tech/topics/database-migration.md>), [Authentication](<https://devfeed.tech/topics/authentication.md>)

Tags: [cli](<https://devfeed.tech/tags/cli.md>), [cloud-infrastructure](<https://devfeed.tech/tags/cloud-infrastructure.md>), [database-migration](<https://devfeed.tech/tags/database-migration.md>), [dynos](<https://devfeed.tech/tags/dynos.md>), [engineering](<https://devfeed.tech/tags/engineering.md>), [fir](<https://devfeed.tech/tags/fir.md>), [heroku](<https://devfeed.tech/tags/heroku.md>), [opentelemetry](<https://devfeed.tech/tags/opentelemetry.md>), [performance-optimization](<https://devfeed.tech/tags/performance-optimization.md>), [security](<https://devfeed.tech/tags/security.md>), [troubleshooting](<https://devfeed.tech/tags/troubleshooting.md>)

## AI overview

This article explains how Heroku Fir supports interactive CLI sessions through dedicated one-off dynos. It describes using these isolated dynos for administrative tasks, database migrations, real-time diagnostics, and troubleshooting, with public SSH key authentication required.

## Source excerpt

When Production Goes Sideways Imagine this: It's 2 AM, your phone buzzes with an alert, and your dashboards are screaming. Production is down. Sound familiar? An automated health check has failed, and your internal dashboards are showing a spike in errors. You've just pushed a new release that included a critical database schema change, and [...] The post Triage and Fix with Confidence: <code>heroku run</code> and OTel on Heroku Fir appeared first on Heroku.