Add initial Helm chart for BookStack deployment with configuration files

bookstack/templates/_helpers.tpl

@@ -0,0 +1,72 @@
+{{/*
+Shared Labels
+*/}}
+{{- define "bookstack.labels" -}}
+app.kubernetes.io/name: {{ include "bookstack.name" . | quote }}
+app.kubernetes.io/instance: {{ .Release.Name | quote }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+app.kubernetes.io/part-of: {{ include "bookstack.name" . | quote }}
+app.kubernetes.io/managed-by: {{ .Release.Service | default "Helm" | quote }}
+{{- end }}
+
+{{/*
+Basic Name
+*/}}
+{{- define "bookstack.name" -}}
+{{ .Chart.Name }}
+{{- end }}
+
+{{- define "bookstack.fullname" -}}
+{{ printf "%s-%s" .Release.Name (include "bookstack.name" .) }}
+{{- end }}
+
+{{/*
+Secret‑Name for database credentials
+*/}}
+{{- define "bookstack.db.secretName" -}}
+{{ printf "%s" .Values.db.auth.existingSecret }}
+{{- end }}
+
+{{- define "bookstack.db.serviceName" -}}
+{{ printf "%s-db-headless" .Release.Name }}
+{{- end }}
+
+{{- define "bookstack.redis.serviceName" -}}
+{{ printf "%s-redis-headless" .Release.Name }}
+{{- end }}
+
+{{- define "bookstack.image.registry" -}}
+{{- if .Values.bookstack.image.registry -}}
+{{ printf "%s/" .Values.bookstack.image.registry }}
+{{- else if .Values.global.imageRegistry -}}
+{{ printf "%s/" .Values.global.imageRegistry }}
+{{- else -}}
+{{ print "" }}
+{{- end -}}
+{{- end }}
+
+{{- define "bookstack.image" -}}
+{{ printf "%s%s/%s:%s" (include "bookstack.image.registry" .) .Values.bookstack.image.repository .Values.bookstack.image.name (default .Chart.AppVersion .Values.bookstack.image.tag) }}
+{{- end }}
+
+{{- define "bookstack.app-key" -}}
+{{ printf "%s-app-key" .Release.Name }}
+{{- end }}
+
+{{- define "bookstack.secret" -}}
+{{ include "bookstack.fullname" . }}
+{{- end }}
+
+{{- define "bookstack.mailpit.name" -}}
+{{ printf "%s-mailpit" (include "bookstack.fullname" .) }}
+{{- end }}
+
+{{- define "bookstack.persistence.storageclass" -}}
+{{- if .Values.bookstack.persistence.storageClass -}}
+{{ printf "%s" .Values.bookstack.persistence.storageClass }}
+{{- else if .Values.global.defaultStorageClass -}}
+{{ printf "%s" .Values.global.defaultStorageClass }}
+{{- else -}}
+{{ print "" }}
+{{- end -}}
+{{- end }}