kubia from Kubernetes In Action

kubia.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: kubia
  namespace: default

spec:
  selector:
    matchLabels:
      app: kubia
  template:
    metadata:
      name: kubia
      labels:
        app: kubia
    spec:
      containers:
      - name: server
        image: bitnami/minideb
        command:
        - "sh"
        args:
        - "-c"
        - 'apt update && apt install -y netcat && (echo "$SCRIPT" | bash -)'
        env:
        - name: SCRIPT
          value: |
            BODY="You've hit ${HOSTNAME}"
            RESPONSE="HTTP/1.1 200 OK\r\nConnection: keep-alive\r\nContent-Length: ${#BODY}\r\nContent-Type: text/plain\r\nDate: $(date -u +'%a, %d %m %Y %H:%M:%S GMT')\r\n\r\n${BODY}\r\n\r\n"
            while [ 1 ]; do
                ({ echo -en "$RESPONSE"; } | nc -l -p "${1:-8080}") || true
                echo "================================================"
            done
        ports:
        - name: http
          containerPort: 8080
---
apiVersion: v1
kind: Service
metadata:
  name: kubia

spec:
  type: ClusterIP
  selector:
    app: kubia
  ports:
  - name: http
    protocol: TCP
    port: 80
    targetPort: http