diff --git a/postgresql_cluster/README.md b/postgresql_cluster/README.md
index 747a61d..aaeca9c 100644
--- a/postgresql_cluster/README.md
+++ b/postgresql_cluster/README.md
@@ -18,3 +18,16 @@ helm install postgres-operator postgres-operator-charts/postgres-operator -f val
 
 https://postgres-operator.readthedocs.io/en/latest/quickstart/#helm-chart
 
+## Deploy cluster
+
+1. Apply
+
+```console
+kubectl apply -f k8s-psql.yaml
+```
+
+2. Others
+
+[Good complete example](https://github.com/zalando/postgres-operator/blob/master/manifests/complete-postgres-manifest.yaml) 
+[Docs](https://postgres-operator.readthedocs.io/en/latest/administrator/#namespaces)
+