https://gongzhao1.github.io/Kubernetes%E9%9B%86%E7%BE%A4%E6%97%A5%E5%BF%97%E6%94%B6%E9%9B%86-Filebeat-ELK/ kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.1.1/deploy/static/provider/cloud/deploy.yaml