一个小测试用例，在K8S集群中启动nginx，并使用nodeport暴露服务端口。

访问k8s集群中任意节点的30080即可访问nginx界面。

cat >nginx-test.yaml <<EOF
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: nginx-test
  namespace: default
spec:
  replicas: 2
  template:
    metadata:
      labels:
        app: nginx-test
    spec:
      containers:
        - name: nginx-test
          image: minacat/nginx-test:v1.0
          ports:
            - containerPort: 80
          volumeMounts:
            - name: confd
              mountPath: /usr/local/nginx/conf/conf.d       
         
      volumes:
        - name: confd
          hostPath:
            path: /data/nginx/conf.d            
---
apiVersion: v1
kind: Service  
metadata: 
 name: nginx-test
spec: 
  type: NodePort
  ports:
    - port: 80
      targetPort: 80
      nodePort: 30080
  selector:
    app: nginx-test
EOF


kubectl apply -f nginx-test.yaml