added HA conf for argo, outline and traefik

apps/outline/deployment.yaml

@@ -6,7 +6,7 @@ metadata:
   labels:
     app: outline
 spec:
-  replicas: 1
+  replicas: 2  # HA: Mindestens 2 Replicas für Ausfallsicherheit
   selector:
     matchLabels:
       app: outline
@@ -15,6 +15,17 @@ spec:
       labels:
         app: outline
     spec:
+      affinity:
+        podAntiAffinity:
+          # Hard Rule: Pods müssen auf verschiedenen Nodes laufen
+          requiredDuringSchedulingIgnoredDuringExecution:
+            - labelSelector:
+                matchExpressions:
+                  - key: app
+                    operator: In
+                    values:
+                      - outline
+              topologyKey: kubernetes.io/hostname
       containers:
         - name: outline
           image: outlinewiki/outline:latest

apps/outline/pdb.yaml

@@ -0,0 +1,12 @@
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: outline
+  namespace: outline
+  labels:
+    app: outline
+spec:
+  minAvailable: 1  # Mindestens 1 Pod muss immer verfügbar sein
+  selector:
+    matchLabels:
+      app: outline