PERF(grafana): optimize cpu requests based on actu

- code-server: 50m → 5m (actual: 1m)
- docusaurus: 50m → 5m (actual: 1m)
- kubernetes-dashboard: 15m → 5m (actual: 1m)
- kubernetes-dashboard-metrics-scraper: 50m → 5m (actual: 1m)
- homer: 50m → 5m (actual: 1m)
- umami: 30m → 5m (actual: 1m)
- gitea: 50m → 10m (actual: 5m)

code-server/helm-values/code-server.yaml

@@ -28,7 +28,7 @@ service:
 # Resource limits
 resources:
   requests:
-    cpu: 50m  # Reduced from 100m for worker-node-2 CPU optimization (actual usage ~5m)
+    cpu: 5m  # Reduced from 50m based on actual usage (1m)
     memory: 1Gi  # Reduced from 4Gi for worker-node-2 optimization
 
 # Security context

gitea/helm-values/gitea.yaml

@@ -158,7 +158,7 @@ ingress:
 # Resource limits
 resources:
   requests:
-    cpu: 50m
+    cpu: 10m  # Reduced from 50m based on actual usage (5m)
     memory: 256Mi
   limits:
     memory: 512Mi

homer/homer.yaml

@@ -65,7 +65,7 @@ spec:
         resources:
           requests:
             memory: "64Mi"
-            cpu: "50m"
+            cpu: "5m"  # Reduced from 50m based on actual usage (1m)
       volumes:
       - name: config
         configMap:

umami/helm-values/umami.yaml

@@ -35,7 +35,7 @@ service:
 
 resources:
   requests:
-    cpu: 30m  # Reduced to 30% of original (100m -> 30m)
+    cpu: 5m  # Reduced from 30m based on actual usage (1m)
     memory: 256Mi
 
 replicaCount: 2