A process requires compute, memory, network, and storage. In the Guestbook sample, we saw how Kubernetes helps us abstract the compute, memory, and network. The same yaml files work across all cloud providers, including a cloud-specific setup of public-facing Load Balancers. The WordPress example shows how the last and the most important piece namely storage is abstracted from the underlying cloud provider.
In this case, the WordPress helm chart depends on the Maria DB helm chart (https://github.com/helm/charts/tree/master/stable/mariadb) for its database install. Describing the helm format would take another book; it is easier to look at the output and see what was done. Unlike stateless applications, such as our ...
