FEAT(web-apps): enable HA with replica 2 and soft anti-affinity

- Add replicaCount: 2 to all web applications
- Add soft pod anti-affinity for node distribution
- Update chart template to handle affinity correctly
- Configure affinity for todo, portfolio, jovies, jotion, joossam, joossam-dev, jaejadle, jaejadle-dev

jaejadle/helm-values.yaml

@@ -11,7 +11,7 @@ image:
 imagePullSecrets:
   - name: ghcr-secret
 
-replicaCount: 1
+replicaCount: 2
 containerPort: 3000
 
 service:
@@ -100,3 +100,11 @@ externalSecret:
       remoteRef:
         key: jaejadle
         property: CODE
+
+# Affinity - Soft Anti-Affinity to spread pods across nodes
+affinity:
+  podAntiAffinity:
+    preferredDuringSchedulingIgnoredDuringExecution:
+      - weight: 100
+        podAffinityTerm:
+          topologyKey: kubernetes.io/hostname