tcp-echo.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: tcp-echo
  labels:
    app: tcp-echo
spec:
  replicas: 1
  selector:
    matchLabels:
      app: tcp-echo
  template:
    metadata:
      labels:
        app: tcp-echo
    spec:
      containers:
        - name: tcp-echo-container
          image: cjimti/go-echo:latest
          imagePullPolicy: Always
          env:
          - name: TCP_PORT
            value: "2701"
          - name: NODE_NAME
            valueFrom:
              fieldRef:
                fieldPath: spec.nodeName
          - name: POD_NAME
            valueFrom:
              fieldRef:
                fieldPath: metadata.name
          - name: POD_NAMESPACE
            valueFrom:
              fieldRef:
                fieldPath: metadata.namespace
          - name: POD_IP
            valueFrom:
              fieldRef:
                fieldPath: status.podIP
          ports:
          - name: tcp-echo-port
            containerPort: 2701
---
apiVersion: v1
kind: Service
metadata:
  name: tcp-echo
  labels:
    app: tcp-echo
spec:
  selector:
    app: "tcp-echo"
  ports:
  - protocol: "TCP"
    port: 2701
    targetPort: 2701