feat(helm): support hpa setting

Author: jinjiaKarl

charts/acontext/Chart.yaml

@@ -4,7 +4,7 @@ description: A Helm chart for Acontext deployment on Kubernetes
 
 type: application
 
-version: 0.0.4
+version: 0.0.5
 appVersion: "0.0.1"
 
 dependencies:

charts/acontext/templates/api-deployment.yaml

@@ -11,7 +11,9 @@ metadata:
     {{- include "aconext.labels" . | nindent 4 }}
     app.kubernetes.io/component: api
 spec:
+  {{- if not .Values.api.externalHPA.enabled }}
   replicas: {{ .Values.api.replicaCount }}
+  {{- end }}
   selector:
     matchLabels:
       {{- include "aconext.api.selectorLabels" . | nindent 6 }}

charts/acontext/templates/core-deployment.yaml

@@ -11,7 +11,9 @@ metadata:
     {{- include "aconext.labels" . | nindent 4 }}
     app.kubernetes.io/component: core
 spec:
+  {{- if not .Values.core.externalHPA.enabled }}
   replicas: {{ .Values.core.replicaCount }}
+  {{- end }}
   selector:
     matchLabels:
       {{- include "aconext.core.selectorLabels" . | nindent 6 }}

charts/acontext/values.yaml

@@ -109,6 +109,12 @@ core:
     minAvailable: 1  # Can be an integer or percentage (e.g., "50%")
     # maxUnavailable: 1  # Alternative to minAvailable
     # unhealthyPodEvictionPolicy: IfHealthyBudget  # Available in Kubernetes 1.26+
+  
+  # External HPA (Horizontal Pod Autoscaler)
+  # When enabled, replicas field will not be managed by Helm
+  # You should create HPA resource separately or use keda
+  externalHPA:
+    enabled: false
 
 # API service configuration
 api:
@@ -212,6 +218,12 @@ api:
     minAvailable: 1  # Can be an integer or percentage (e.g., "50%")
     # maxUnavailable: 1  # Alternative to minAvailable
     # unhealthyPodEvictionPolicy: IfHealthyBudget  # Available in Kubernetes 1.26+
+  
+  # External HPA (Horizontal Pod Autoscaler)
+  # When enabled, replicas field will not be managed by Helm
+  # You should create HPA resource separately or use external autoscaler
+  externalHPA:
+    enabled: false
 
 # PostgreSQL configuration (Bitnami chart)
 # Set enabled: false to use external PostgreSQL