vendor/k8s.io/kubernetes/test/e2e/testing-manifests/statefulset/etcd/tester.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: etcd-test-server
spec:
  replicas: 3
  selector:
    matchLabels:
      app: test-server
  template:
    metadata:
      labels:
        app: test-server
    spec:
      containers:
      - name: test-server
        image: k8s.gcr.io/etcd-statefulset-e2e-test:0.0
        imagePullPolicy: Always
        ports:
        - containerPort: 8080
        readinessProbe:
          httpGet:
            path: /healthz
            port: 8080
          initialDelaySeconds: 2
          periodSeconds: 2