题目要求

在现有的 namespace ckad00014 中创建一个运行 6 个 Pod 副本 ,名为 api 的 Deployment 。 用 nginx:1.16 的镜像来指定一个容器。将名为 NGINX_PORT 且值为 8000 的环境变量添加到容器中 然后公开端口 80

参考

https://kubernetes.io/zh-cn/docs/tasks/inject-data-application/define-environment-variable-container/

https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#-em-deployment-em-

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# 创建一个deployment配置
kubectl -n **ckad00014** create deployment api --image=nginx:1.16 --port=80 --dry-run=client -o yaml > 09-deployment-with-env.yaml

# 修改配置
vim 09-deployment-with-env.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  creationTimestamp: null
  labels:
    app: api
  name: api
  namespace: ckad00014
spec:
  replicas: 6  # 题目需求副本6个
  selector:
    matchLabels:
      app: api
  strategy: {}
  template:
    metadata:
      creationTimestamp: null
      labels:
        app: api
    spec:
      containers:
      - image: nginx:1.16
        env:   # 题目需求新增
        - name: NGINX_PORT  # 题目需求新增
          value: "8000"  # 题目需求新增
        name: nginx
        ports:
        - containerPort: 80  # 题目需求新增
        resources: {}
status: {}

kubectl apply -f 09-deployment-with-env.yaml
deployment.apps/api created

# 检查服务
kubectl -n ckad00014 get all
NAME                       READY   STATUS         RESTARTS   AGE
pod/api-58cc7f8d5d-rk8jk   0/1     ErrImagePull   0          2m44s

NAME                  READY   UP-TO-DATE   AVAILABLE   AGE
deployment.apps/api   0/1     1            0           2m44s

NAME                             DESIRED   CURRENT   READY   AGE
replicaset.apps/api-58cc7f8d5d   1         1         0       2m44s