feat: Support autoscaling via HPA #268
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Signed-off-by: Armel Soro <[email protected]>
When autoscaling is enabled, the HPA controller controls the number of replicas [1] [1] https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/\#migrating-deployments-and-statefulsets-to-horizontal-autoscaling Signed-off-by: Armel Soro <[email protected]>
Signed-off-by: Armel Soro <[email protected]>
This is a backward-compatible change Signed-off-by: Armel Soro <[email protected]>
Signed-off-by: Armel Soro <[email protected]>
Signed-off-by: Armel Soro <[email protected]>
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@ChrisJBurns Please take a look at this PR when you get a chance. All tests are passing: https://github.com/backstage/charts/actions/runs/16093088075/job/45412256675?pr=268#step:10:201 |
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Nice @rm3l . Approved! |
ChrisJBurns
approved these changes
Jul 9, 2025
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Description of the change
This PR adds support for autoscaling using an Horizontal Pod Autoscaler, to be able to automatically scale the number of replicas up/down based on resource (CPU/Mem) usage.
See https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/ and https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale-walkthrough/
Existing or Associated Issue(s)
—
Additional Information
Deploy the Chart with
backstage.autoscaling.enabled=true.You should see a new HPA resource will be created.
Checklist
Chart.yamlaccording to semver.values.yamland added to the README.md. The helm-docs utility can be used to generate the necessary content. Usehelm-docs --dry-runto preview the content.ct lintcommand.