diff --git a/charts/gerrit-replica/templates/_helpers.tpl b/charts/gerrit-replica/templates/_helpers.tpl
new file mode 100644
index 0000000..500d58c
--- /dev/null
+++ b/charts/gerrit-replica/templates/_helpers.tpl
@@ -0,0 +1,20 @@
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "gerrit-replica.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create secret to access docker registry
+*/}}
+{{- define "imagePullSecret" }}
+{{- printf "{\"auths\": {\"%s\": {\"auth\": \"%s\"}}}" .Values.images.registry.name (printf "%s:%s" .Values.images.registry.ImagePullSecret.username .Values.images.registry.ImagePullSecret.password | b64enc) | b64enc }}
+{{- end }}
+
+{{/*
+Add '/' to registry if needed.
+*/}}
+{{- define "registry" -}}
+{{ if .Values.images.registry.name }}{{- printf "%s/" .Values.images.registry.name -}}{{end}}
+{{- end -}}