diff --git a/argocd/infra/cert-manager-application.yaml b/argocd/infra/cert-manager-application.yaml
index a740d2e..6b22ed4 100644
--- a/argocd/infra/cert-manager-application.yaml
+++ b/argocd/infra/cert-manager-application.yaml
@@ -3,6 +3,10 @@ kind: Application
 metadata:
   name: cert-manager
   namespace: argocd
+  annotations:
+    argocd.argoproj.io/hook: PreSync
+    argocd.argoproj.io/hook-delete-policy: HookSucceeded
+    argocd.argoproj.io/sync-wave: "1"
   labels:
     app.kubernetes.io/name: cert-manager
     app.kubernetes.io/part-of: platform
diff --git a/argocd/infra/cluster-resources-application.yaml b/argocd/infra/cluster-resources-application.yaml
index b22a5c5..5e95bc0 100644
--- a/argocd/infra/cluster-resources-application.yaml
+++ b/argocd/infra/cluster-resources-application.yaml
@@ -8,6 +8,8 @@ metadata:
     app.kubernetes.io/part-of: platform
     app.kubernetes.io/managed-by: argocd
   annotations:
+    argocd.argoproj.io/hook: PreSync
+    argocd.argoproj.io/hook-delete-policy: HookSucceeded
     argocd.argoproj.io/sync-wave: "1"
   finalizers:
   - resources-finalizer.argocd.argoproj.io
diff --git a/argocd/infra/fluent-bit.yaml b/argocd/infra/fluent-bit.yaml
index c484005..bfd87a8 100644
--- a/argocd/infra/fluent-bit.yaml
+++ b/argocd/infra/fluent-bit.yaml
@@ -3,6 +3,10 @@ kind: Application
 metadata:
   name: fluent-bit
   namespace: argocd
+  annotations:
+    argocd.argoproj.io/hook: PreSync
+    argocd.argoproj.io/hook-delete-policy: HookSucceeded
+    argocd.argoproj.io/sync-wave: "1"
   labels:
     app.kubernetes.io/name: fluent-bit
     app.kubernetes.io/part-of: monitoring-stack
diff --git a/argocd/infra/grafana.yaml b/argocd/infra/grafana.yaml
index 9c4fbf1..574c2aa 100644
--- a/argocd/infra/grafana.yaml
+++ b/argocd/infra/grafana.yaml
@@ -3,6 +3,10 @@ kind: Application
 metadata:
   name: grafana
   namespace: argocd
+  annotations:
+    argocd.argoproj.io/hook: PreSync
+    argocd.argoproj.io/hook-delete-policy: HookSucceeded
+    argocd.argoproj.io/sync-wave: "1"
   labels:
     app.kubernetes.io/name: grafana
     app.kubernetes.io/part-of: monitoring-stack
diff --git a/argocd/infra/kyverno.yaml b/argocd/infra/kyverno.yaml
index bffff61..f23bd08 100644
--- a/argocd/infra/kyverno.yaml
+++ b/argocd/infra/kyverno.yaml
@@ -8,6 +8,8 @@ metadata:
     app.kubernetes.io/part-of: platform
     app.kubernetes.io/managed-by: argocd
   annotations:
+    argocd.argoproj.io/hook: PreSync
+    argocd.argoproj.io/hook-delete-policy: HookSucceeded
     argocd.argoproj.io/sync-wave: "0"
   finalizers:
   - resources-finalizer.argocd.argoproj.io
diff --git a/argocd/infra/loki.yaml b/argocd/infra/loki.yaml
index 7584ca8..607740a 100644
--- a/argocd/infra/loki.yaml
+++ b/argocd/infra/loki.yaml
@@ -3,6 +3,10 @@ kind: Application
 metadata:
   name: loki
   namespace: argocd
+  annotations:
+    argocd.argoproj.io/hook: PreSync
+    argocd.argoproj.io/hook-delete-policy: HookSucceeded
+    argocd.argoproj.io/sync-wave: "1"
   labels:
     app.kubernetes.io/name: loki
     app.kubernetes.io/part-of: monitoring-stack
diff --git a/argocd/infra/prometheus.yaml b/argocd/infra/prometheus.yaml
index 557434e..5647100 100644
--- a/argocd/infra/prometheus.yaml
+++ b/argocd/infra/prometheus.yaml
@@ -3,6 +3,10 @@ kind: Application
 metadata:
   name: prometheus
   namespace: argocd
+  annotations:
+    argocd.argoproj.io/hook: PreSync
+    argocd.argoproj.io/hook-delete-policy: HookSucceeded
+    argocd.argoproj.io/sync-wave: "1"
   labels:
     app.kubernetes.io/name: prometheus
     app.kubernetes.io/part-of: monitoring-stack
diff --git a/argocd/infra/sealedsecrets.yaml b/argocd/infra/sealedsecrets.yaml
index 5290f0e..bcf59f2 100644
--- a/argocd/infra/sealedsecrets.yaml
+++ b/argocd/infra/sealedsecrets.yaml
@@ -7,6 +7,10 @@ metadata:
     app.kubernetes.io/name: sealed-secrets
     app.kubernetes.io/part-of: platform
     app.kubernetes.io/managed-by: argocd
+  annotations:
+    argocd.argoproj.io/hook: PreSync
+    argocd.argoproj.io/hook-delete-policy: HookSucceeded
+    argocd.argoproj.io/sync-wave: "1"
   finalizers:
   - resources-finalizer.argocd.argoproj.io
 spec:
diff --git a/argocd/infra/traefik-application.yaml b/argocd/infra/traefik-application.yaml
index b4eac4d..335f031 100644
--- a/argocd/infra/traefik-application.yaml
+++ b/argocd/infra/traefik-application.yaml
@@ -3,6 +3,10 @@ kind: Application
 metadata:
   name: traefik
   namespace: argocd
+  annotations:
+    argocd.argoproj.io/hook: PreSync
+    argocd.argoproj.io/hook-delete-policy: HookSucceeded
+    argocd.argoproj.io/sync-wave: "1"
   labels:
     app.kubernetes.io/name: traefik
     app.kubernetes.io/part-of: platform
diff --git a/argocd/infra/trivy.yaml b/argocd/infra/trivy.yaml
index 624c779..a6b31b2 100644
--- a/argocd/infra/trivy.yaml
+++ b/argocd/infra/trivy.yaml
@@ -3,6 +3,10 @@ kind: Application
 metadata:
   name: trivy
   namespace: argocd
+  annotations:
+    argocd.argoproj.io/hook: PreSync
+    argocd.argoproj.io/hook-delete-policy: HookSucceeded
+    argocd.argoproj.io/sync-wave: "1"
   labels:
     app.kubernetes.io/name: trivy
     app.kubernetes.io/part-of: platform
diff --git a/cluster-resources/sync-notification.yaml b/cluster-resources/sync-notification.yaml
new file mode 100644
index 0000000..401dea7
--- /dev/null
+++ b/cluster-resources/sync-notification.yaml
@@ -0,0 +1,22 @@
+apiVersion: batch/v1
+kind: Job
+metadata:
+  generateName: app-slack-notification-
+  annotations:
+    argocd.argoproj.io/hook: PostSync
+    argocd.argoproj.io/hook-delete-policy: HookSucceeded
+spec:
+  template:
+    spec:
+      containers:
+      - name: slack-notification
+        image: curlimages/curl
+        command:
+        - curl
+        - '-X'
+        - POST
+        - '--data'
+        - '{"payload": "Cluster resources updated"}'
+        - 'https://hooks.slack.com/triggers/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'
+      restartPolicy: Never
+  backoffLimit: 2