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K8s使用deploy部署nginx - 版本历史
2026-04-20T13:06:04Z
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Evan：/* see also */
2021-08-08T06:21:25Z
<p><span class="autocomment">see also</span></p>
<p><b>新页面</b></p><div>=info=<br />
<pre><br />
k8smaster 192.168.88.70<br />
k8snode1 192.168.88.71<br />
k8snode2192.168.88.72<br />
</pre><br />
<br />
<br />
=使用deployment 部署nginx服务=<br />
<pre><br />
deploy文件如下：<br />
<br />
root@k8s-master:~# cat ngdeploy.yaml <br />
apiVersion: apps/v1<br />
kind: Deployment<br />
metadata:<br />
name: my-nginx<br />
spec:<br />
replicas: 2<br />
selector:<br />
matchLabels:<br />
app: nginx<br />
template:<br />
metadata:<br />
labels:<br />
app: nginx<br />
spec:<br />
containers:<br />
- name: nginx<br />
image: nginx:latest<br />
ports:<br />
- containerPort: 80<br />
---<br />
apiVersion: v1<br />
kind: Service<br />
metadata:<br />
name: ngx-service<br />
labels:<br />
app: nginx<br />
spec:<br />
type: NodePort<br />
selector:<br />
app: nginx<br />
ports:<br />
- port: 80<br />
targetPort: 80<br />
nodePort: 32500<br />
<br />
<br />
<br />
创建deploy<br />
<br />
kubectl apply -f ngdeploy.yaml<br />
<br />
<br />
删除 <br />
kubectl delete -f ngdeploy.yaml<br />
<br />
查看pod及svc服务<br />
root@k8s-master:~# kubectl get pod,svc<br />
NAME READY STATUS RESTARTS AGE<br />
pod/my-nginx-585449566-6g2rh 1/1 Running 0 3m37s<br />
pod/my-nginx-585449566-9nwgt 1/1 Running 0 3m37s<br />
pod/my-nginx-585449566-ww28p 1/1 Running 0 3m37s<br />
pod/nginx-deployment 1/1 Running 0 10m<br />
<br />
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE<br />
service/kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 4h38m<br />
service/ngx-service NodePort 10.96.36.220 <none> 80:32500/TCP 3m37s<br />
root@k8s-master:~# <br />
<br />
<br />
<br />
masterip<br />
http://192.168.88.70:32500/ <br />
</pre><br />
<br />
= 命令行方式创建nginx服务=<br />
<pre><br />
1）、创建一个nginx的pod<br />
现在我们在kubernetes集群中创建一个nginx的pod，验证是否能正常运行。<br />
在master节点执行一下步骤：<br />
<br />
[root@k8s-master ~]# kubectl create deployment nginx --image=nginx<br />
deployment.apps/nginx created<br />
[root@k8s-master ~]# kubectl expose deployment nginx --port=80 --type=NodePort<br />
service/nginx exposed<br />
<br />
<br />
现在我们查看pod和service<br />
<br />
[root@k8s-master ~]# kubectl get pod,svc -o wide<br />
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES<br />
<br />
pod/nginx-6799fc88d8-9wjjt 1/1 Running 0 33s 10.244.2.4 k8s-node2 <none> <none><br />
<br />
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE SELECTOR<br />
service/kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 4h40m <none><br />
service/nginx NodePort 10.96.172.103 <none> 80:30346/TCP 22s app=nginx<br />
service/ngx-service NodePort 10.96.36.220 <none> 80:32500/TCP 6m2s app=nginx<br />
root@k8s-master:~# <br />
<br />
打印的结果中，前半部分是pod相关信息，后半部分是service相关信息。我们看service/nginx这一行可以看出service暴漏给集群的端口是 32500。记住这个端口。<br />
然后从pod的详细信息可以看出此时pod在node2节点之上。node2节点的IP地址是192.168.88.72<br />
<br />
<br />
</pre><br />
==删除==<br />
<pre><br />
kubectl get pod -o wide<br />
nginx-deployment 1/1 Running 1 41h 10.244.1.5 k8s-node1 <none> <none><br />
<br />
<br />
<br />
</pre><br />
<br />
=see also=<br />
<br />
[https://www.cnblogs.com/saneri/p/14463509.html K8S 使用deploy部署nginx ]<br />
<br />
[[category:k8s]] [[category:devops]] [[category: container]]</div>
Evan