案例：访问应用服务 案例分析 使用端口转发访问 使用 NodePort 访问 基于 DNS 解析访问 Links https://kubernetes.io/docs/tasks/access-application-cluster/port-forward-access-application-cluster/ https://kubernetes.io/docs/tasks/access-application-cluster/service-access-application-cluster/ https://kubernetes.io/docs/tasks/access-application-cluster/connecting-frontend-backend/
