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video solution

https://github.com/kubernetes/ingress-nginx/blob/main/docs/user-guide/nginx-configuration/annotations.md#canary

apiVersion: apps/v1
kind: Deployment
metadata:
  annotations:
    deployment.kubernetes.io/revision: "1"
  labels:
    app: meg-app2
  name: meg-app2
  namespace: meg
spec:
  progressDeadlineSeconds: 600
  replicas: 1
  revisionHistoryLimit: 10
  selector:
    matchLabels:
      app: meg-app2
  strategy:
    rollingUpdate:
      maxSurge: 25%
      maxUnavailable: 25%
    type: RollingUpdate
  template:
    metadata:
      creationTimestamp: null
      labels:
        app: meg-app2
    spec:
      containers:
      - env:
        - name: SERVER_NAME
          value: megApp2
        - name: SRV_PORT
          value: "80"
        image: viktoruj/ping_pong:alpine
        imagePullPolicy: IfNotPresent
        name: app
        ports:
        - containerPort: 80
          protocol: TCP
        resources: {}
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
      dnsPolicy: ClusterFirst
      restartPolicy: Always
      schedulerName: default-scheduler




apiVersion: v1
kind: Service
metadata:
  annotations:
  labels:
    app: meg-service2
  name: meg-service2
  namespace: meg
spec:
  ports:
  - port: 80
    protocol: TCP
    targetPort: 80
  selector:
    app: meg-app2
  type: ClusterIP

# 3_ing.yaml

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: meg-app2
  namespace: meg
  annotations:
    nginx.ingress.kubernetes.io/canary: "true"
    nginx.ingress.kubernetes.io/canary-weight: "30"
    nginx.ingress.kubernetes.io/rewrite-target: /
spec:
  ingressClassName: nginx
  rules:
    - http:
        paths:
          - path: /app
            pathType: Prefix
            backend:
              service:
                name: meg-service2
                port:
                  number: 80