diff --git a/k8s/core/prom-stack/alertmanager-config.yaml b/k8s/core/prom-stack/alertmanager-config.yaml
new file mode 100644
index 0000000..0b0221d
--- /dev/null
+++ b/k8s/core/prom-stack/alertmanager-config.yaml
@@ -0,0 +1,46 @@
+apiVersion: monitoring.coreos.com/v1alpha1
+kind: AlertmanagerConfig
+metadata:
+  name: telegram-notifications
+  namespace: prometheus
+  labels:
+    app: kube-prometheus-stack-alertmanager
+    release: prometheus
+spec:
+  route:
+    groupBy: ['alertname', 'cluster', 'service']
+    groupWait: 10s
+    groupInterval: 5m
+    repeatInterval: 12h
+    receiver: telegram
+    routes:
+    - matchers:
+      - name: alertname
+        value: Watchdog
+        matchType: "="
+      receiver: 'null'
+  receivers:
+  - name: telegram
+    telegramConfigs:
+    - botToken:
+        name: alertmanager-telegram-secret
+        key: TELEGRAM_BOT_TOKEN
+      chatID: 124317807
+      parseMode: HTML
+      sendResolved: true
+      disableNotifications: false
+      message: |
+        {{ if eq .Status "firing" }}🔥 FIRING{{ else }}✅ RESOLVED{{ end }}
+        
+        {{ range .Alerts }}
+        📊 <b>{{ .Labels.alertname }}</b>
+        {{ .Annotations.summary }}
+        
+        {{ if .Annotations.node }}🖥 <b>Node:</b> <code>{{ .Annotations.node }}</code>{{ end }}
+        {{ if .Annotations.pod }}📦 <b>Pod:</b> <code>{{ .Annotations.pod }}</code>{{ end }}
+        {{ if .Annotations.namespace }}📁 <b>Namespace:</b> <code>{{ .Annotations.namespace }}</code>{{ end }}
+        {{ if .Annotations.throttle_rate }}⚠️ <b>Throttling rate:</b> {{ .Annotations.throttle_rate }}{{ end }}
+        
+        🔗 <a href="{{ .GeneratorURL }}">View in Grafana</a>
+        {{ end }}
+  - name: 'null'
diff --git a/k8s/core/prom-stack/kustomization.yaml b/k8s/core/prom-stack/kustomization.yaml
index e08a833..225c5e4 100644
--- a/k8s/core/prom-stack/kustomization.yaml
+++ b/k8s/core/prom-stack/kustomization.yaml
@@ -5,6 +5,7 @@ resources:
   - persistentVolume.yaml
   - external-secrets.yaml
   - grafana-alerting-configmap.yaml
+  - alertmanager-config.yaml
 
 helmCharts:
   - name: kube-prometheus-stack