How to add PostgreSQL monitoring in the Kubernetes cluster

we have [installed](https://learn.netdata.cloud/docs/agent/packaging/installer/methods/kubernetes?q=kubernetes&size=n_20_n#install-the-netdata-helm-chart) netdata in our Kubernetes cluster.

Please tell me how to add PostgreSQL [monitoring](https://learn.netdata.cloud/docs/agent/collectors/go.d.plugin/modules/postgres) which is located in the Kubernetes cluster?
