Fix caching in ingress mode: setup for testing

proxy-caching-setup.yaml

apiVersion: v1
kind: Service
metadata:
  name: svc-1
spec:
  ports:
  - name: 80-80
    port: 80
    protocol: TCP
    targetPort: 80
  selector:
    app: dep-1
  sessionAffinity: None
  type: ClusterIP
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: dep-1 
spec:
  replicas: 1
  selector:
    matchLabels:
      app: dep-1
  template:
    metadata:
      annotations:
        linkerd.io/inject: enabled
      labels:
        app: dep-1
    spec:
      containers:
      - image: nginx
        imagePullPolicy: Always
        name: nginx
        resources: {}
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
      dnsPolicy: ClusterFirst
      restartPolicy: Always
      schedulerName: default-scheduler
      securityContext: {}
      terminationGracePeriodSeconds: 30
---
apiVersion: v1
kind: Service
metadata:
  name: svc-2
spec:
  ports:
  - name: 80-80
    port: 80
    protocol: TCP
    targetPort: 80
  selector:
    app: dep-2
  sessionAffinity: None
  type: ClusterIP
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: dep-2
spec:
  replicas: 1
  selector:
    matchLabels:
      app: dep-2
  template:
    metadata:
      annotations:
        linkerd.io/inject: enabled
      labels:
        app: dep-2
    spec:
      containers:
      - image: nginx
        imagePullPolicy: Always
        name: nginx
        resources: {}
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
      dnsPolicy: ClusterFirst
      restartPolicy: Always
      schedulerName: default-scheduler
      securityContext: {}
      terminationGracePeriodSeconds: 30
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: curl
spec:
  selector:
    matchLabels:
      app: curl
  template:
    metadata:
      annotations:
        linkerd.io/inject: ingress
      labels:
        app: curl
    spec:
      containers:
      - name: curl
        image: curlimages/curl
        command: ["/bin/sleep", "3650d"]
        imagePullPolicy: IfNotPresent
      restartPolicy: Always