diff --git a/chart/templates/_helpers.tpl b/chart/templates/_helpers.tpl
new file mode 100644
index 0000000..2fa1df7
--- /dev/null
+++ b/chart/templates/_helpers.tpl
@@ -0,0 +1,92 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "fediblockhole.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "fediblockhole.fullname" -}}
+{{- if .Values.fullnameOverride }}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- $name := default .Chart.Name .Values.nameOverride }}
+{{- if contains $name .Release.Name }}
+{{- .Release.Name | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "fediblockhole.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "fediblockhole.labels" -}}
+helm.sh/chart: {{ include "fediblockhole.chart" . }}
+{{ include "fediblockhole.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "fediblockhole.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "fediblockhole.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Rolling pod annotations
+*/}}
+{{- define "fediblockhole.rollingPodAnnotations" -}}
+rollme: {{ .Release.Revision | quote }}
+checksum/config-secrets: {{ include ( print $.Template.BasePath "/secrets.yaml" ) . | sha256sum | quote }}
+checksum/config-configmap: {{ include ( print $.Template.BasePath "/configmap-env.yaml" ) . | sha256sum | quote }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "fediblockhole.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "fediblockhole.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}
+
+{{/*
+Get the fediblockhole secret.
+*/}}
+{{- define "fediblockhole.secretName" -}}
+{{- if .Values.fediblockhole.secrets.existingSecret }}
+    {{- printf "%s" (tpl .Values.fediblockhole.secrets.existingSecret $) -}}
+{{- else -}}
+    {{- printf "%s" (include "common.names.fullname" .) -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Return true if a fediblockhole secret object should be created
+*/}}
+{{- define "fediblockhole.createSecret" -}}
+{{- if (not .Values.mastodon.secrets.existingSecret) -}}
+    {{- true -}}
+{{- end -}}
+{{- end -}}