cat << END > statefulSet.yaml
apiVersion: v1
kind: Service
metadata:
  name: nginx-svc #无头服务内部使用必须一致
  labels:
    app: nginx
spec:
  ports:
  - port: 80
    name: web
  clusterIP: None
  selector:
    app: nginx
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: web
spec:
  selector:
    matchLabels:
      app: nginx # has to match .spec.template.metadata.labels
  serviceName: "nginx-svc"  #无头服务内部使用必须一致
  replicas: 5 # by default is 1
  template:
    metadata:
      labels:
        app: nginx # has to match .spec.selector.matchLabels
    spec:
      terminationGracePeriodSeconds: 10
      containers:
      - name: nginx
        image: nginx:alpine
        ports:
        - containerPort: 80
          name: web
#        volumeMounts:
#        - name: www
#          mountPath: /usr/share/nginx/html
#  volumeClaimTemplates:
#  - metadata:
#      name: www
#    spec:
#      accessModes: [ "ReadWriteOnce" ]
#      storageClassName: "my-storage-class"
#      resources:
#        requests:
#          storage: 1Gi
---
# 在给一个端口外部访问
apiVersion: v1
kind: Service
metadata:
  name: nginx-port
spec:
  selector:
      app: nginx
  ports:
    - name: http
      port: 80
      protocol: TCP
      targetPort: 80
    #- name: https
    #  port: 8443
    #  protocol: TCP
    #  targetPort: 443
  type: NodePort
END