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mark@minikube-vm:~/pluralsight-phcollignon-helm3/lab5_helm_chart_version1_begin/guestbook$ helm get manifest demo-guestbook
---
# Source: guestbook/templates/frontend-service.yaml
apiVersion: v1
kind: Service
metadata:
  labels:
    name: frontend
  name: frontend
spec:
  ports:
    - protocol: "TCP"
      port: 80
      targetPort: 4200
  selector:
    app: frontend
---
# Source: guestbook/templates/frontend.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: frontend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: frontend 
  template:
    metadata:
      labels:
        app: frontend
    spec:
      containers:
      - image: phico/frontend:1.0
        imagePullPolicy: Always
        name: frontend
        ports:
        - name: frontend
          containerPort: 4200
---
# Source: guestbook/templates/ingress.yaml
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: guestbook-ingress
spec:
  rules:
  - host: frontend.minikube.local
    http:
      paths:
      - path: /
        backend:
          serviceName: frontend
          servicePort: 80
  - host: backend.minikube.local
    http:
      paths:
      - path: /
        backend:
          serviceName: backend
          servicePort: 80

mark@minikube-vm:~/pluralsight-phcollignon-helm3/lab5_helm_chart_version1_begin/guestbook$ ping frontend.minikube.local
PING frontend.minikube.local (192.168.99.100) 56(84) bytes of data.
64 bytes from frontend.minikube.local (192.168.99.100): icmp_seq=1 ttl=64 time=0.378 ms
64 bytes from frontend.minikube.local (192.168.99.100): icmp_seq=2 ttl=64 time=0.482 ms
64 bytes from frontend.minikube.local (192.168.99.100): icmp_seq=3 ttl=64 time=0.318 ms
^C
--- frontend.minikube.local ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2029ms
rtt min/avg/max/mdev = 0.318/0.392/0.482/0.071 ms
mark@minikube-vm:~/pluralsight-phcollignon-helm3/lab5_helm_chart_version1_begin/guestbook$ minikube ip
192.168.99.100
mark@minikube-vm:~/pluralsight-phcollignon-helm3/lab5_helm_chart_version1_begin/guestbook$ kubectl get pod -l app=frontend
NAME                        READY   STATUS    RESTARTS   AGE
frontend-56577ccc6d-q7pc4   1/1     Running   0          23m
mark@minikube-vm:~/pluralsight-phcollignon-helm3/lab5_helm_chart_version1_begin/guestbook$ 

mark@minikube-vm:~/pluralsight-phcollignon-helm3/lab5_helm_chart_version1_begin/guestbook$ wget http://frontend.minikube.local
--2020-09-04 19:37:07--  http://frontend.minikube.local/
Resolving frontend.minikube.local (frontend.minikube.local)... 192.168.99.100
Connecting to frontend.minikube.local (frontend.minikube.local)|192.168.99.100|:80... failed: Connection refused.

kubectl apply -f frontend.yaml

The Deployment "frontend" is invalid: spec.selector: Invalid value: v1.LabelSelector{MatchLabels:map[string]string{"app":"frontend"}, MatchExpressions:[]v1.LabelSelectorRequirement(nil)}: field is immutable

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: guestbook-ingress
spec:
  rules:
  - host: frontend.minikube.local
    http:
      paths:
      - pathType: Prefix
        path: "/"
        backend:
          service:
            name: frontend
            port: 
              number: 80
  - host: backend.minikube.local
    http:
      paths:
      - pathType: Prefix
        path: "/"
        backend:
          service:
            name: backend
            port:
              number: 80