Example app chart (under "hello") supports TLS.

examples/hello/charts/templates/ingress.yaml

@@ -12,6 +12,13 @@ metadata:
     {{- toYaml . | nindent 4 }}
   {{- end }}
 spec:
+{{- range $host := .Values.ingress.hosts }}
+  {{- if hasKey $host "tls" }}
+  tls:
+  - hosts:
+    secretName: {{ $host.tls.secretName }}
+  {{- end }}
+{{- end }}
   rules:
 {{- range $rule := .Values.ingress.rules }}
   - host: {{ $rule.host }}

examples/hello/charts/templates/tls-secrets.yaml

+{{- range $host := .Values.ingress.hosts }}
+{{- if hasKey $host "tls" }}
+{{- if hasKey $host.tls "crt" }}
+{{- if hasKey $host.tls "key" }}
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ $host.tls.secretName }}
+  labels:
+    app.kubernetes.io/name: {{ $host.tls.secretName }}
+    app.kubernetes.io/component: tlsSecret
+    {{- include "viking-ingress.labels" $ | nindent 4 }}
+type: kubernetes.io/tls
+data:
+  tls.crt: {{ $host.tls.crt | b64enc }}
+  tls.key: {{ $host.tls.key | b64enc }}
+{{- end }}
+{{- end }}
+{{- end }}
+{{- end }}