Container Images and Practical

Let me share few useful container images to play around with K8s

1. katacoda/docker-http-server
2. k8s.gcr.io/echoserver:1.10
3. nginx

4. busybox

- command:

- tail

- -f

- /dev/null

5. mendhak/http-https-echo

apiVersion: apps/v1

kind: Deployment

metadata:

  name: echoserver

spec:

  replicas: 3

  selector:

    matchLabels:

      app: echoserver

  template:

    metadata:

      labels:

        app: echoserver

    spec:

      containers:

      - image: gcr.io/google_containers/echoserver:1.0

        imagePullPolicy: Always

        name: echoserver

        ports:

        - containerPort: 8080

---

apiVersion: v1

kind: Service

metadata:

  name: echoserver

spec:

  ports:

  - port: 80

    targetPort: 8080

    protocol: TCP

  selector:

    app: echoserver

---

apiVersion: extensions/v1beta1

kind: Ingress

metadata:

  name: echoserver

  annotations:

    kubernetes.io/ingress.class: "nginx"

spec:

  rules:

  - host: echo.example.com

    http:

      paths:

      - path: /

        backend:

          serviceName: echoserver

          servicePort: 80

---

7. curl

apiVersion: apps/v1 
kind: Deployment
metadata:
  name: client
  namespace: cli
spec:
  selector:
    matchLabels:
      app: cli
  replicas: 1
  template:
    metadata:
      labels:
        app: cli
    spec:
      containers:
      - name: client
        image: curlimages/curl:latest
        env:
        - name: ADDRESS
          value: "service_name.svc.cluster.local"
        command: [ "/bin/sh", "-c", "while true; do date; curl $ADDRESS 2>/dev/null | grep '<title>'; sleep 0.5; done;" ]