cka考试 列出命名空间下指定标签pod

参考链接：https://kubernetes.io/zh/docs/concepts/overview/working-with-objects/labels/

[root@k8-node ~]# cat dep_lab.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: my-dep
name: my-dep
spec:
replicas: 3
selector:
matchLabels:
app: my-dep
template:
metadata:
labels:
app: my-dep
environment: production
tier: frontend
spec:
containers:
- image: nginx
name: nginx
ports:
- containerPort: 5701
resources: {}

 kubectl  apply  -f dep_lab.yaml