ethereum-cluster/templates/bootnode.deployment.yaml

apiVersion: apps/v1beta2 
kind: Deployment
metadata:
  name: {{ template "ethereum.fullname" . }}-bootnode
  labels:
    app: {{ template "ethereum.name" . }}
    chart: {{ template "ethereum.chart" . }}
    release: {{ .Release.Name }}
    heritage: {{ .Release.Service }}
    component: bootnode
spec:
  replicas: 1
  selector:
    matchLabels:
      app: {{ template "ethereum.name" . }}
      release: {{ .Release.Name }}
      component: bootnode
  template:
    metadata:
      labels:
        app: {{ template "ethereum.name" . }}
        release: {{ .Release.Name }}
        component: bootnode
    spec:
      containers:
      - name: bootnode
        image: {{ .Values.bootnode.image.repository }}:{{ .Values.bootnode.image.tag }}
        imagePullPolicy: {{ .Values.imagePullPolicy }}
        command: ["/bin/sh"]
        args: 
        - "-c"
        - "bootnode --nodekey=/etc/bootnode/node.key --verbosity=4"
        volumeMounts:
        - name: data
          mountPath: /etc/bootnode
        ports:
        - name: discovery
          containerPort: 30301
          protocol: UDP
      - name: bootnode-server
        image: {{ .Values.bootnode.image.repository }}:{{ .Values.bootnode.image.tag }}
        imagePullPolicy: {{.Values.imagePullPolicy}}
        command: ["/bin/sh"]
        args:
        - "-c"
        - "while [ 1 ]; do echo -e \"HTTP/1.1 200 OK\n\nenode://$(bootnode -writeaddress --nodekey=/etc/bootnode/node.key)@$(POD_IP):30301\" | nc -l -v -p 80 || break; done;"
        volumeMounts:
        - name: data
          mountPath: /etc/bootnode
        env:
        - name: POD_IP
          valueFrom:
            fieldRef:
              fieldPath: status.podIP
        ports:
        - containerPort: 80
      initContainers:
      - name: genkey
        image: {{ .Values.bootnode.image.repository }}:{{ .Values.bootnode.image.tag }}
        imagePullPolicy: {{ .Values.imagePullPolicy }}
        command: ["/bin/sh"]
        args:
        - "-c"
        - "bootnode --genkey=/etc/bootnode/node.key"
        volumeMounts:
        - name: data
          mountPath: /etc/bootnode
      volumes:
      - name: data
        emptyDir: {}