Scaling

Run multiple instances to handle additional load.

Scaling is not supported for services with persistent volumes.

You can run multiple instances of a web service, private service, or background worker to handle additional load. For services that receive incoming traffic,

Render load balances that traffic evenly across all running instances:

Portway supports two scaling methods: manual scaling and autoscaling.

Method	Description
Manual Scaling	Manually set the number of instances for a service.
Autoscaling	Portway automatically scale the number of instances for a service based on metrics.

Manual scaling

You can manually scale the number of instances for a service by updating the replicas field in the service definition.

services:
  - name: my-service
    deploy: 
      replicas: 3

Deploy the updated compose file to apply the changes.

Autoscaling

This feature is currently in preview. Please email us at [e-mail] to enable it.

Portway handles autoscaling for you based on the triggers you have configured. Check out the navigation for the different triggers you can use.

Popular triggers include:

Trigger	Description
CPU usage	Scale your service automatically based on CPU utilization.
Memory usage	Scale your service automatically based on memory consumption.
CRON schedule	Scale your service according to a specified time schedule.