Autoscaling on Heroku Fir: Your Options Today in 2025

Heroku has just launched their latest platform—Fir—and it’s their biggest launch in a decade. Built on Kubernetes and featuring expanded dyno options, cloud-native buildpacks, and integrated OpenTelemetry, Fir represents a significant evolution for Heroku. However, if you’re planning your migration to Fir, you’ve probably noticed something missing: autoscaling. If you’re thinking, “Wait, no autoscaling? How am I supposed to manage my dynos?"—you’re not alone. Heroku is certainly hard at work on their own autoscaler for Fir, but your production apps can’t wait. Let’s explore how to autoscale on Heroku Fir today.