Helm upgrade WordPress/MySQL

helm upgrade mysql bitnami/mysql --namespace mysql -f ./mysql-values.yml

 helm ls -n mysql
NAME    NAMESPACE       REVISION        UPDATED                                 STATUS          CHART           APP VERSION
mysql   mysql           21              2022-01-06 10:04:02.544817 +0900 JST    deployed        mysql-8.8.20    8.0.27

helm upgrade wordpress bitnami/wordpress --namespace wp --reuse-values

helm ls -n wp                                                                                                                                                  ✘ 130
NAME            NAMESPACE       REVISION        UPDATED                                 STATUS          CHART                   APP VERSION
wordpress       wp              6               2022-01-07 09:50:03.965997 +0900 JST    deployed        wordpress-12.3.0        5.8.2

 kubectl -n wp scale deploy wordpress --replicas=0
 kubectl -n wp scale deploy wordpress --replicas=1