有时我们的需求是多个域名指向同个后端服务，那ingress-nginx该怎么配置，很简单如下：
spec: rules: - host: foobar.com http: &http_rules paths: - backend: serviceName: foobar servicePort: 80 - host: api.foobar.com http: *http_rules - host: admin.foobar.com http: *http_rules - host: status.foobar.com http: *http_rules