Sitecore: Logging with EKL (ElasticSearch+Logstash+Kibana)

Why not to use standard files?

Usually when you are working with Sitecore you will have standard file based logs. For development this is more that enough but when it comes to other environments it could be very nice to have all logs sentralized. Moreover need to be sure that logs are not lost in cases when something went wrong and it is easy to find information in it.
So my goal is to create solution base on EKL (ElasticSearch+Logstash+Kibana) which will get log data from Sitecore and provide possibilities to search and work with them. ()

Kibana Query interface