Ingress

Ingress是K8S标准资源类型之一，用于将集群外的请求流量转发至集群内部：

apiVersion: v1
kind: Ingress
metadata: 
  name: <ingress name>
  namespace: <ingress namespace>
  annotations:
    nginx.ingress.kubernetes.io/secure-backends: "true"
    nginx.ingress.kubernetes.io/rewrite-target: /
spec:
  rules:
  - host: <host name>
    http:
      paths:
      - path: <url path>
        backend:
          serviceName: <service name>
          servicePort: <service port>

参考：

https://kubernetes.io/docs/concepts/services-networking/ingress/
https://www.jianshu.com/p/595fd3fac7ff