Controller Manager selectors should include additional fields to be more precise
deployment selector should include additional fields to avoid clash with other controller managers from other operators deployed in the same namespace.
stackgres-k8s/install/operator-sdk/stackgres-operator/config/manager/manager.template.yaml
labels:
control-plane: controller-manager
Should be updated to something like
labels:
app: stackgres-operator
control-plane: controller-manager
And the matchLabels according to them.