k8s 建service

root@myang-node:~/ingress-nginx# kubectl create deploy backend-api --image=registry.cbeijing.aliyuncs.com/dotbalo/nginx:backend-api -n study-ingress 
deployment.apps/backend-api created
root@myang-node:~/ingress-nginx# kubectl expose deploy backend-api  --port 80 -n study-ingress
service/backend-api exposed
root@myang-node:~/ingress-nginx# kubectl get svc -n  study-ingress
NAME          TYPE        CLUSTER-IP       EXTERNAL-IP   PORT(S)   AGE
backend-api   ClusterIP   10.102.145.167   <none>        80/TCP    14s
nginx         ClusterIP   10.106.69.175    <none>        80/TCP    4h15m

 建一个与deploy同名的clusterip类型的service