Example of a filebeat to logstash to elasticsearch config

logstash-example.conf

input {
  beats {
    port => 9300
    type => beats
  }
}
filter {
  grok {
    match => { "message" => "%{TOMCAT_DATESTAMP:DATETIME} \[%{WORD:level}\]%{SPACE}%{GREEDYDATA:message}" }
    overwrite => [ "message" ]
  }
  date {
    match => [ "DATETIME", "yyyy-MM-dd HH:mm:ss.SSS Z" ]
  }
}
output {
  elasticsearch {
    hosts => ["search-xxxxx.eu-west-1.es.amazonaws.com:80"]
    index => "um-server-%{+YYYY.MM.dd}"
  }
  stdout { codec => "json" }
}