port가 여러개 일 때 설정 방법

pod

apiVersion: v1
kind: Pod
metadata:
  name: multi-port-pod
spec:
  containers:
    - name: myapp
      image: myapp-image
      ports:
        - containerPort: 80     # HTTP
        - containerPort: 443    # HTTPS
        - containerPort: 8080   # Admin UI

deployment

apiVersion: apps/v1
kind: Deployment
metadata:
  name: my-deployment
spec:
  replicas: 1
  selector:
    matchLabels:
      app: myapp
  template:
    metadata:
      labels:
        app: myapp
    spec:
      containers:
        - name: myapp
          image: myapp-image
          ports:
            - containerPort: 80
            - containerPort: 443
            - containerPort: 8080

service

apiVersion: v1
kind: Service
metadata:
  name: my-service
spec:
  selector:
    app: myapp
  ports:
    - name: http
      protocol: TCP
      port: 80
      targetPort: 80
    - name: https
      protocol: TCP
      port: 443
      targetPort: 443
    - name: admin
      protocol: TCP
      port: 8080
      targetPort: 8080
  type: ClusterIP  # or NodePort, LoadBalancer