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Michelle Peot

Sr Director of Product Management, Heroku Core Platform at Heroku
Heroku Staff

Michelle is the product manager for the Operational Experience (OpEx) team at Heroku, and is focused on delivering operational metrics-related features that help you keep your application happy. In a former life she was an infectious disease researcher, analytical laboratory software project manager, and product manager for search and the Riak kv store. When she’s not working you’ll likely find her trad climbing, hiking, biking, canyoneering or exploring abandoned buildings.

Beginning on October 20th, 2025 07:06 UTC, multiple Heroku services were initially impacted by a database service disruption with our cloud infrastructure provider in the Virginia region. This affected the monitoring, provisioning, networking and availability of cloud infrastructure services that power the Heroku platform.

This outage was a complex, multi-phased event primarily triggered by multiple upstream outages within the cloud infrastructure provider Virginia region, and compounded by Heroku's single-region control plane architecture and automation failures. The service disruptions can be divided into two distinct phases based on root causes, timeline, and impacts.

Beginning at 06:00 UTC on Tuesday, Jun 10, 2025, Heroku customers began experiencing a platform service disruption due to an unintended system update applied to our production infrastructure by our vendor. To compound the issue, the Heroku Status site was affected by the outage. Shortcomings in site design and API latency resulted in timeouts, and the Status site appeared as if there were no active incidents.

On June 15th we published a summary of our initial investigation, mitigation, and root cause analysis. We also identified the following post-incident remediation objectives:

  • Ensuring immutable infrastructure
  • Increasing resilience of communication channels
  • Accelerating investigation and recovery

As promised, we are providing a status update of our continued corrective actions.

Today we’re making our Slack integration generally available to all Heroku customers through the release of Heroku ChatOps.

ChatOps is transforming the way dev teams work, replacing the asynchronous communication and context-switching of traditional operations processes with a shared conversational environment so teams can stay focused, communicate in real-time, gain visibility, and speed joint decision making.

Having seen the benefits of Slack integration for managing our own apps, we wanted to make ChatOps easier to use and accessible to every dev team. Heroku ChatOps handles the complexity of user onboarding, authentication, and accountability between Slack & Heroku, and provides users …

We’re excited to announce that Heroku Autoscaling is now generally available for apps using web dynos.

We’ve always made it seamless and simple to scale apps on Heroku – just move the slider. But we want to go further, and help you in the face of unexpected demand spikes or intermittent activity. Part of our core mission is delivering a first-class operational experience that provides proactive notifications, guidance, and—where appropriate—automated responses to particular application events. Today we take another big step forward in that mission with the introduction of Autoscaling.

Autoscaling makes it effortless to meet demand by horizontally scaling …

Today we're announcing two new features that will help you better manage and run apps on Heroku: Threshold Alerting and Hobby dyno metrics. Threshold Alerting provides the ability to set notification thresholds for key performance and health indicators of your app. We’ve also extended basic Application Metrics to Hobby dynos to provide basic health monitoring and application guidance. Together these features allow you to stay focused on building functionality by letting the platform handle your app monitoring.

Threshold Alerting

There are many ways to measure the health of an application. The new alerting feature focuses on what is most important …

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