helm install my-release my-repo/cassandra --set global.storageClass=standard,replicaCount=3
  
  kubectl get secret --namespace "default" my-release-cassandra -o jsonpath="{.data.cassandra-password}" | base64 -d
  
  kubectl patch svc my-release-cassandra -p '{"spec": {"type": "NodePort"}}'   kubectl exec -it my-release-cassandra-0 bash
  cqlsh -u cassandra -p DQpR9uDXE2
  CREATE KEYSPACE csdb WITH replication = {'class': 'SimpleStrategy', 'replication_factor': 3};
  USE csdb;
  CREATE TABLE students ( id int PRIMARY KEY , firstname text ,lastname text, age int, lastdate timestamp);
  consistency;