---
# HTTPScaledObject - 用于实现缩容到 0 的核心配置
apiVersion: http.keda.sh/v1alpha1
kind: HTTPScaledObject
metadata:
  name: portainer-http-scaler
  namespace: portainer
spec:
  hosts:
  - portainer.u6.net3w.com
  pathPrefixes:
  - /
  scaleTargetRef:
    name: portainer
    kind: Deployment
    apiVersion: apps/v1
    service: portainer
    port: 9000
  replicas:
    min: 0                              # 空闲时缩容到 0
    max: 3                              # 最多 3 个副本
  scalingMetric:
    requestRate:
      granularity: 1s
      targetValue: 50                   # 每秒 50 个请求时扩容
      window: 1m
  scaledownPeriod: 300                  # 5 分钟无流量后缩容到 0

---
# Traefik Middleware - 设置正确的协议头
apiVersion: traefik.io/v1alpha1
kind: Middleware
metadata:
  name: portainer-headers
  namespace: keda
spec:
  headers:
    customRequestHeaders:
      X-Forwarded-Proto: "https"

---
# Traefik IngressRoute - 将流量路由到 KEDA HTTP Add-on 的拦截器
apiVersion: traefik.io/v1alpha1
kind: IngressRoute
metadata:
  name: portainer-ingress
  namespace: keda
spec:
  entryPoints:
    - web
  routes:
  - match: Host(`portainer.u6.net3w.com`)
    kind: Rule
    middlewares:
    - name: portainer-headers
    services:
    - name: keda-add-ons-http-interceptor-proxy
      port: 8080