User image netflow conf by default

elk_netflow/docker-compose.yml

@@ -42,6 +42,4 @@ logstash:
     - "2055/udp:2055/udp"
   links:
     - elasticsearch:elasticsearch
-  volumes:
+  command: logstash agent -f /etc/logstash/conf.d/
-    - $PWD:/config-dir
-  command: logstash agent -f /config-dir/logstash_netflow.conf

elk_netflow/logstash_netflow.conf

@@ -1,12 +0,0 @@
-input {
-    udp {
-        port => 2055
-        codec => netflow {
-            definitions => "/opt/logstash/vendor/bundle/jruby/1.9/gems/logstash-codec-netflow-1.0.0/lib/logstash/codecs/netflow/netflow.yaml"}}
-        }
-    
-output {
-    #stdout { codec => rubydebug} 
-    elasticsearch {
-        index => "logstash_netflow-%{+YYYY.MM.dd}"
-        host => elasticsearch}}