loki/operator/config/overlays/openshift/manager_run_flags_patch.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: controller-manager
spec:
  template:
    spec:
      containers:
        - name: manager
          args:
          - "--config=controller_manager_config.yaml"
          volumeMounts:
          - name: manager-config
            mountPath: /controller_manager_config.yaml
            subPath: controller_manager_config.yaml
      volumes:
      - name: manager-config
        configMap:
          name: loki-operator-manager-config