[bug]: Unable to install helm chart

[dsdole]

What happened?

I am attempting to test the k8s install explained here: https://stalw.art/docs/cluster/kubernetes/. I have followed the steps exactly and when running the helm install it errors out.

$ helm install stalwart-mail .

Error: INSTALLATION FAILED: template: stalwart-mail/templates/service.yaml:4:11: executing "stalwart-mail/templates/service.yaml" at <include "stalwart-mail.fullname" .>: error calling include: template: no template "stalwart-mail.fullname" associated with template "gotpl"

helm version

version.BuildInfo{Version:"v3.15.1", GitCommit:"e211f2aa62992bd72586b395de50979e31231829", GitTreeState:"clean", GoVersion:"go1.22.3"}

How can we reproduce the problem?

I can reproduce the problem by doing the following steps:

1. Create the files with content and structure as defined here: https://stalw.art/docs/cluster/kubernetes.
2. run helm install stalwart-mail .

Version

v0.8.x

What database are you using?

None

What blob storage are you using?

None

Where is your directory located?

None

What operating system are you using?

None

Relevant log output

No response

Code of Conduct

• [X] I agree to follow this project's Code of Conduct

[dsdole]

I just converted the helm templates into standard manifests. The issues isn't solved but this is acceptable for me. Feel free to close this issue.