feat: rolling update one pod at a time, adjust k8s resources

Author: hasakura12

k8s/templates/deployment.yaml

@@ -11,6 +11,11 @@ metadata:
   {{- end }}
 spec:
   replicas: {{ .Values.replica }}
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxUnavailable: {{ .Values.strategy.rollingUpdate.maxUnavailable }}
+      maxSurge: {{ .Values.strategy.rollingUpdate.maxSurge }}
   selector:
     matchLabels:
       app: {{ .Values.name }}

k8s/values.prod.yaml

@@ -8,11 +8,16 @@ replica: 2
 
 resource:
   requests:
-    memory: 16Gi
-    cpu: 4
+    memory: "100Mi"
+    cpu: 0.1
   limits:
-    memory: 32Gi
-    cpu: 8
+    memory: "300Mi"
+    cpu: 0.3
+
+strategy:
+  rollingUpdate: 
+    maxUnavailable: 0  # Ensures at least one pod is always available
+    maxSurge: 1        # Only one pod is created at a time
 
 affinity:
   affinityTolerations: