https://github.com/linkerd/linkerd2/issues/5951

forward-proxy-setup.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-1
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx-1
  template:
    metadata:
      labels:
        app: nginx-1
    spec:
      containers:
      - name: nginx-1
        image: ghcr.io/kleimkuhler/nginx-forward-proxy:v0.0.1
        imagePullPolicy: Always
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
      dnsPolicy: ClusterFirst
      restartPolicy: Always
      schedulerName: default-scheduler
      securityContext: {}
      terminationGracePeriodSeconds: 30
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-2
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx-2
  template:
    metadata:
      annotations:
        linkerd.io/inject: enabled
      labels:
        app: nginx-2
    spec:
      containers:
      - name: nginx-2
        image: ghcr.io/kleimkuhler/nginx-forward-proxy:v0.0.1
        imagePullPolicy: Always
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
      dnsPolicy: ClusterFirst
      restartPolicy: Always
      schedulerName: default-scheduler
      securityContext: {}
      terminationGracePeriodSeconds: 30
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: curl-1
spec:
  selector:
    matchLabels:
      app: curl-1
  template:
    metadata:
      labels:
        app: curl-1
    spec:
      containers:
      - name: curl-1
        image: curlimages/curl
        command: ["/bin/sleep", "3650d"]
        imagePullPolicy: IfNotPresent
      restartPolicy: Always
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: curl-2
spec:
  selector:
    matchLabels:
      app: curl-2
  template:
    metadata:
      annotations:
        linkerd.io/inject: enabled
      labels:
        app: curl-2
    spec:
      containers:
      - name: curl-2
        image: curlimages/curl
        command: ["/bin/sleep", "3650d"]
        imagePullPolicy: IfNotPresent
      restartPolicy: Always