diff --git a/deployment/templates/trs-filer-configmap-job.yaml b/deployment/templates/trs-filer-configmap-job.yaml
index 1b0946a..c4fef61 100644
--- a/deployment/templates/trs-filer-configmap-job.yaml
+++ b/deployment/templates/trs-filer-configmap-job.yaml
@@ -28,6 +28,8 @@ spec:
           value: {{ .Values.trs_filer.appName }}
         - name: HOST_NAME
           value:  {{ .Values.host_name }}
+        - name: MONGO_HOST
+          value: mongodb-{{ .Values.trs_filer.appName }}
       restartPolicy: Never
       serviceAccountName: {{ .Values.trs_filer.appName }}-configurer
 status: {}
diff --git a/update-config-map.sh b/update-config-map.sh
index 7ce3c8a..acd4be5 100755
--- a/update-config-map.sh
+++ b/update-config-map.sh
@@ -10,12 +10,19 @@ then
 	env
 	exit 1
 fi
+
+if [ -z "$MONGO_HOST" ];
+then
+  MONGO_HOST='mongodb'
+fi
+
 echo "Inputs:"
 echo " CONFIG MAP NAME: $CONFIG_MAP_NAME"
 echo " API SERVER:      $APISERVER"
 echo " APP CONFIG PATH: $APP_CONFIG_PATH"
 echo " WES APP NAME:    $APP_NAME"
 echo " HOST NAME:       $HOST_NAME"
+echo " MONGO_HOST:      $MONGO_HOST"
 
 NAMESPACE=$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace)
 
@@ -31,9 +38,11 @@ echo "Current Kubernetes namespace: $NAMESPACE"; echo
 echo " * Getting current default configuration"
 
 APP_CONFIG=$(yq --arg HOST_NAME "$HOST_NAME" \
+    --arg MONGO_HOST "$MONGO_HOST" \
     '.endpoints.service.url_prefix = "https" |
      .endpoints.service.external_host = $HOST_NAME |
-     .endpoints.service.external_port = 443' \
+     .endpoints.service.external_port = 443 |
+     .db.host = $MONGO_HOST' \
     "$APP_CONFIG_PATH") || exit 4
 
 echo " * Getting current configMap"