feat(inter-hub): add Railiance app chart handoff

charts/inter-hub/templates/_helpers.tpl

@@ -0,0 +1,28 @@
+{{/*
+Chart name + release name produce a unique resource name.
+*/}}
+{{- define "interhub.fullname" -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- printf "%s" $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{- define "interhub.labels" -}}
+app.kubernetes.io/name: {{ include "interhub.fullname" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+app.kubernetes.io/part-of: railiance-apps
+helm.sh/chart: {{ printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" }}
+{{- end -}}
+
+{{- define "interhub.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "interhub.fullname" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end -}}
+
+{{- define "interhub.image" -}}
+{{- if not .Values.image.tag -}}
+{{- fail "image.tag is required - pin it in helm/inter-hub-values.yaml or pass --set image.tag=<sha>" -}}
+{{- end -}}
+{{- printf "%s:%s" .Values.image.repository .Values.image.tag -}}
+{{- end -}}