in pkg/controller/controller/dledger_controller.go [347:353]
func getContainerSecurityContext(controller *rocketmqv1alpha1.Controller) *corev1.SecurityContext {
var securityContext = corev1.SecurityContext{}
if controller.Spec.ContainerSecurityContext != nil {
securityContext = *controller.Spec.ContainerSecurityContext
}
return &securityContext
}