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README.md

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 ## Demo
 
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 ### cert-manager
 cert-manager adds certificates and  certificate issuers as resource types in Kubernetes, and simplifies the process of obtaining, renewing and using those certificates. It's very command Kubernetes administrator use cert-manager to handle certificate, and on this exemple we are going to use cert-manager with let's encrypt to access Kibana. Remember that, TLS certificates for the Elasticsearch transport layer that are used for internal communications between Elasticsearch nodes are managed by ECK and **cannot** be changed.