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Scaling Tectonic AWS clusters

To scale worker nodes, adjust tectonic_worker_count in terraform.tfvars.

Use the plan command to check your syntax:

$ terraform plan \
  -var-file=build/${CLUSTER}/terraform.tfvars \
  -target module.workers \
  platforms/aws

Once you are ready to make the changes live, use apply:

$ terraform apply \
  -var-file=build/${CLUSTER}/terraform.tfvars \
  -target module.workers \
  platforms/aws

The new nodes should automatically show up in the Tectonic Console shortly after they boot.