# my-pod.yaml
apiVersion: v1
kind: Pod
metadata:
  name: my-pod
  labels:
    app: webserver
    tier: backend
  annotations:
    version: latest
    release_date: 2017/12/28
    contact: baoguo.ding@foxmail.com
spec:
  containers:
  - name: pod-demo
    image: baoguoding/demo
    ports:
    - containerPort: 3000

kubectl create -f my-pod.yaml
kubectl get pod --show-labels
kubectl describe pod my-pod
kubectl label pod my-pod env=production
kubectl get pods --show-labels
kubectl edit pod my-pod

---
kubectl get nodes --show-lables

# my-pod-with-node-selector.yaml
apiVersion: v1
kind: Pod
metadata:
  name: my-pod
  labels:
    app: webserver
    tier: backend
  annotations:
    version: latest
    release_date: 2017/12/28
    contact: baoguo.ding@foxmail.com
spec:
  containers:
  - name: pod-demo
    image: baoguoding/demo
    ports:
    - containerPort: 3000
  nodeSelector:
    hardware: high-memory
	
kubectl create -f my-pod-with-node-selector.yaml
kubectl describe pod my-pod
kubectl label node <node-name> hardware=high-memory
kubectl get pods
kubectl describe pod my-pod
Labels示例

参考
