* Update ELK to version 5.4.2

* Update Wazuh Kibana Plugin to version 2.0_5.4.2

logstash/Dockerfile

@@ -1,4 +1,4 @@
-FROM logstash:5.3.0
+FROM logstash:5.4.2
 
 RUN apt-get update
 

logstash/config/logstash.conf

@@ -13,7 +13,7 @@ input {
 #input {
 #   file {
 #       type => "wazuh-alerts"
-#       path => "/var/ossec/data/logs/alerts/alerts.json"
+#       path => "/var/ossec/logs/alerts/alerts.json"
 #       codec => "json"
 #   }
 #}
@@ -21,18 +21,19 @@ filter {
     geoip {
         source => "srcip"
         target => "GeoLocation"
+        fields => ["city_name", "continent_code", "country_code2", "country_name", "region_name", "location"]
     }
     date {
         match => ["timestamp", "ISO8601"]
         target => "@timestamp"
     }
     mutate {
-        remove_field => [ "timestamp", "beat", "fields", "input_type", "tags", "count" ]
+        remove_field => [ "timestamp", "beat", "fields", "input_type", "tags", "count", "@version", "log", "offset", "type"]
     }
 }
 output {
     elasticsearch {
-        hosts => ["elasticsearch:9200"]
+        hosts => ["localhost:9200"]
         index => "wazuh-alerts-%{+YYYY.MM.dd}"
         document_type => "wazuh"
         template => "/etc/logstash/wazuh-elastic5-template.json"