Kubernetes網路是如何運作？Part#3 (Ingress & Ingress Controller)

01_deployment_testweb.yaml

apiVersion: apps/v1beta2
kind: Deployment
metadata:
  name: test-web-deployment
  namespace: default
  labels:
    app: test-web
spec:
  replicas: 3
  selector:
    matchLabels:
      app: test-web
  template:
    metadata:
      labels:
        app: test-web
    spec:
      containers:
        - name: test-web
          image: nginx
          imagePullPolicy: IfNotPresent
          ports:
            - name: http
              containerPort: 80
              protocol: TCP

02_service_testweb.yaml

apiVersion: v1
kind: Service
metadata:
  name: test-web-service
  namespace: default
  labels:
    app: test-web
spec:
  type: ClusterIP
  ports:
    - port: 80
      targetPort: http
      protocol: TCP
      name: http
  selector:
    app: test-web

03_ingress_testweb.yaml

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: test-web-ingress
  namespace: default
spec:
  rules:
  - host: test.example.com
    http:
      paths:
      - backend:
          serviceName: test-web-service
          servicePort: 80
        path: /