Upgrading the WordPress release
Upgrading a release refers to the process of modifying the values that a release was installed with or upgrading to a newer version of the chart. In this section, we will upgrade the WordPress release by configuring additional values around the WordPress replica and resource requirements.
Modifying the Helm values
It is common for Helm charts to expose values to configure the number of instances of an application and their related set of resources. The following screenshots illustrate several portions of the
helm show values command that relate to the values used for this purpose.
The first value,
replicaCount, is straightforward to set. Since
replica is a Kubernetes term that describes the number of Pods needed to deploy an application, it's implied that
replicaCount is used to specify the number of application instances that are deployed as part of a release: