I had issues trying to deploy the chart using Rancher 2. I cloned the repo and performed a helm lint, and I get the same error as the Rancher deploy had
[ERROR] templates/: template: matrix/templates/postgresql/network-policy.yaml:11:33: executing "matrix/templates/postgresql/network-policy.yaml" at <include "postgresql.name" .>: error calling include: template: no template "postgresql.name" associated with template "gotpl"