diff --git a/xos-db/templates/db-deployment.yaml b/xos-db/templates/db-deployment.yaml
index 9814677..4f0bee6 100644
--- a/xos-db/templates/db-deployment.yaml
+++ b/xos-db/templates/db-deployment.yaml
@@ -45,11 +45,22 @@
                   key: password
             - name: PGDATA
               value: "/var/lib/postgresql/data/pgdata"
-{{- if .Values.needDBPersistence }}
           volumeMounts:
+            - name: xos-db-config
+              mountPath: /usr/local/share/postgresql/postgresql.conf.sample
+              subPath: config/postgresql.conf.sample
+{{- if .Values.needDBPersistence }}
             - name: db-pv-storage
               mountPath: "/var/lib/postgresql/data"
+{{- end }}
       volumes:
+        - name: xos-db-config
+          configMap:
+            name: xos-db
+            items:
+              - key: config
+                path: config/postgresql.conf.sample
+{{- if .Values.needDBPersistence }}
         - name: db-pv-storage
           persistentVolumeClaim:
             claimName: {{ .Values.pvClaimName }}