helm-charts/jellyfin/templates/backup-cronjob.yaml

{{- if .Values.backup.enabled -}}
apiVersion: batch/v1
kind: CronJob
metadata:
  name: {{ include "jellyfin.fullname" . }}-backup
  {{- if .Values.namespaceOverride }}
  namespace: {{ .Values.namespaceOverride }}
  {{- end }}
  labels:
    {{- include "jellyfin.labels" . | nindent 4 }}
spec:
  schedule: {{ .Values.backup.schedule | quote }}
  jobTemplate:
    spec:
      template:
        spec:
          containers:
          - name: postgres-backup
            image: {{ .Values.backup.image }}
            command:
            - /bin/sh
            - -c
            - |
              # Backup Jellyfin database
              pg_dump -h {{ .Values.postgres.host }} -U {{ .Values.postgres.user }} -d $DB_NAME | gzip > /backup/$DB_NAME-$(date +%Y%m%d-%H%M%S).sql.gz
              # Retention: Delete backups older than specified days
              find /backup -name "$DB_NAME-*.sql.gz" -mtime +$RETENTION_DAYS -delete
            env:
            - name: PGPASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ .Values.postgres.existingSecret }}
                  key: JELLYFIN_POSTGRESQL_PASSWORD
            - name: DB_NAME
              value: {{ .Values.postgres.db | quote }}
            - name: RETENTION_DAYS
              value: {{ .Values.backup.retentionDays | quote }}
            volumeMounts:
            - name: backup-storage
              mountPath: /backup
          volumes:
          - name: backup-storage
            hostPath:
              path: {{ .Values.backup.storagePath }}
              type: DirectoryOrCreate
          restartPolicy: OnFailure
{{- end }}