heroku ps:enable
Enable web dyno autoscaling
Options
| Name | Description | 
|---|---|
| -a, --app  <app> | App to run command against | 
| -r, --remote  <arg> | The git remote to create, default "heroku" | 
| min  <arg> | Minimum number of dynos | 
| max  <arg> | Maximum number of dynos | 
| p95  <arg> | Desired p95 response time | 
| notifications | Receive email notifications when the max dyno limit is reached |