k8s部署java项目

拉取halo镜像

[root@master ~]# docker pull halohub/halo:1.4.16
1.4.16: Pulling from halohub/halo
f3ef4ff62e0d: Pull complete 
706b9b9c1c44: Pull complete 
76205aac4d5a: Pull complete 
5339a2f9d7c6: Pull complete 
5046244cf427: Pull complete 
6f2d87dec2d6: Pull complete 
adddcc4af348: Pull complete 
d5671a6c1733: Pull complete 
Digest: sha256:994537a47aff491b29251665dc86ef2a87bd7000516c330b5e636ca4b029d35c
Status: Downloaded newer image for halohub/halo:1.4.16
docker.io/halohub/halo:1.4.16

编写k8s的资源清单

[root@master mainfest]# cat halo.yml 
apiVersion: apps/v1
kind: Deployment
metadata:
  name: halo
  labels:
    app: halo
spec:
  replicas: 1
  selector:
    matchLabels:
      app: halo
  template:
    metadata:
      name: halo
      labels:
        app: halo
    spec:
      containers:
      - image: halohub/halo:1.4.16
        imagePullPolicy: IfNotPresent
        name: halo
---
apiVersion: v1
kind: Service
metadata:
  name: halo
spec:
  ports:
  - port: 8090
    targetPort: 8090
    nodePort: 32767
  selector:
    app: halo
  type: NodePort

创建

[root@master mainfest]#  kubectl apply -f halo.yml
deployment.apps/halo unchanged
service/halo created

查看

[root@master mainfest]# kubectl get deploy,pod,svc
NAME                   READY   UP-TO-DATE   AVAILABLE   AGE
deployment.apps/halo   0/1     1            0           17m

NAME                          READY   STATUS        RESTARTS   AGE
pod/halo-7b78758486-rds5t     0/1     Pending       0          17m


NAME                 TYPE        CLUSTER-IP     EXTERNAL-IP   PORT(S)          AGE
service/halo         NodePort    10.104.20.61           8090:32767/TCP   16m
service/kubernetes   ClusterIP   10.96.0.1              443/TCP          7d3h