diff --git a/kubernetes/cluster-0/apps/databases/postgres/external-backup/00-webhook b/kubernetes/cluster-0/apps/databases/postgres/external-backup/00-webhook
new file mode 100644
index 000000000..74b8334a2
--- /dev/null
+++ b/kubernetes/cluster-0/apps/databases/postgres/external-backup/00-webhook
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+set -e
+
+# Possible actions: error, pre-backup, post-backup
+ACTION="$1"
+
+if [ "$WEBHOOK_URL" != "**None**" ]; then
+  case "$ACTION" in
+    "error")
+      echo "Execute error webhook call to $WEBHOOK_URL"
+      curl --url "$WEBHOOK_URL" \
+        --header 'Content-Type: application/json' \
+        --max-time 10 \
+        --retry 5 \
+        $WEBHOOK_EXTRA_ARGS
+      ;;
+#   "pre-backup")
+#     echo "Nothing to do"
+#     ;;
+    "post-backup")
+      echo "Execute post-backup webhook call to $WEBHOOK_URL"
+      curl --url "$WEBHOOK_URL" \
+        --header 'Content-Type: application/json' \
+        --max-time 10 \
+        --retry 5 \
+        $WEBHOOK_EXTRA_ARGS
+      ;;
+  esac
+fi
diff --git a/kubernetes/cluster-0/apps/databases/postgres/external-backup/helm-release.yaml b/kubernetes/cluster-0/apps/databases/postgres/external-backup/helm-release.yaml
index 0daa1d75e..49ec323ce 100644
--- a/kubernetes/cluster-0/apps/databases/postgres/external-backup/helm-release.yaml
+++ b/kubernetes/cluster-0/apps/databases/postgres/external-backup/helm-release.yaml
@@ -75,8 +75,15 @@ spec:
                       volumeMounts:
                         - name: backups
                           mountPath: /backups
+                        - name: files
+                          subPath: 00-webhook
+                          mountPath: /hooks/00-webhook
                   volumes:
                     - name: backups
                       nfs:
                         server: "${LOCAL_LAN_TRUENAS}"
                         path: /mnt/storage/backups/postgresql
+                    - name: files
+                      configMap:
+                        name: postgres-external-backup
+                        defaultMode: 0555
diff --git a/kubernetes/cluster-0/apps/databases/postgres/external-backup/kustomization.yaml b/kubernetes/cluster-0/apps/databases/postgres/external-backup/kustomization.yaml
index 0cc230388..afa3dcef9 100644
--- a/kubernetes/cluster-0/apps/databases/postgres/external-backup/kustomization.yaml
+++ b/kubernetes/cluster-0/apps/databases/postgres/external-backup/kustomization.yaml
@@ -2,3 +2,9 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
   - ./helm-release.yaml
+configMapGenerator:
+  - name: postgres-external-backup
+    files:
+      - ./00-webhook
+generatorOptions:
+  disableNameSuffixHash: true