IBM Cloud Schematics is IBM’s Infrastructure as Code (IaC) service built on Terraform.
It allows you to create, update, and scale infrastructure declaratively — meaning you manage your infrastructure by modifying your Terraform configuration files.
How scaling works in Schematics:
To horizontally scale resources (e.g., adding more VMs, worker nodes, or storage):
Update the Terraform configuration managed by Schematics — for example, increase the number of instances in a resource definition.
Run a schematics apply command (via console or CLI).
Schematics automatically provisions the additional resources required to achieve the new state.
You do not need to destroy and recreate your environment — Schematics handles incremental changes intelligently.
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Malex68
1 month ago