diff --git a/poc-datacollector/modules/ROOT/nav.adoc b/poc-datacollector/modules/ROOT/nav.adoc
index 1f5d013..6d3979d 100644
--- a/poc-datacollector/modules/ROOT/nav.adoc
+++ b/poc-datacollector/modules/ROOT/nav.adoc
@@ -5,5 +5,6 @@
 ** xref:index-mongo.adoc[Mongo]
 ** xref:index-redis.adoc[Redis]
 * xref:index-src.adoc[src-files]
+** xref:doc-dummy_service.adoc[dummy_service]
 * xref:index-usage.adoc[Usage]
 ** xref:index-dummy_service.adoc[dummy_service]
diff --git a/poc-datacollector/modules/ROOT/pages/doc-dummy_service.adoc b/poc-datacollector/modules/ROOT/pages/doc-dummy_service.adoc
new file mode 100644
index 0000000..988ea65
--- /dev/null
+++ b/poc-datacollector/modules/ROOT/pages/doc-dummy_service.adoc
@@ -0,0 +1,162 @@
+= dummy_service
+
+
+
+
+
+== WriteToMongo/fluent/fluent.conf
+
+
+[source,javascript]
+----
+# config
+<match debug.*>
+  @type stdout
+</match>
+
+# input log
+<source>
+  @type tail // <1>
+
+  path /var/log/*.log
+  path_key tailed_path
+  pos_file /tmp/fluentd--1605454018.pos
+  pos_file_compaction_interval 30s
+  refresh_interval 30s
+  skip_refresh_on_startup
+
+  tag stats.node
+
+  enable_stat_watcher false
+  enable_watch_timer true
+  read_from_head true
+  follow_inodes true  # Without this parameter, file rotation causes log duplication
+
+  <parse>
+    @type none
+
+    keep_time_key true
+  </parse>
+</source>
+
+# input stats
+<source>
+  @type tail
+
+  path /var/log-in/*/*
+  path_key tailed_path
+  pos_file /tmp/fluentd--1605454014.pos
+  pos_file_compaction_interval 10s
+  refresh_interval 30s
+  skip_refresh_on_startup
+
+  tag log.node
+
+  enable_stat_watcher false
+  enable_watch_timer true
+  read_from_head true
+  follow_inodes true  # Without this parameter, file rotation causes log duplication
+  <parse>
+    @type none
+
+    keep_time_key true
+  </parse>
+</source>
+
+# output mongo log*
+<match log.*>
+  @type copy
+  copy_mode deep
+  <store ignore_error>                              
+          @type mongo                  
+                                       
+	  connection_string mongodb://mongo.poc-datacollector_datacollector-net:27017/fluentdb
+
+          #database fluentdb            
+          collection test              
+          #host mongo.poc-datacollector_datacollector-net                       
+          #port 27017                                                           
+                                                                               
+          num_retries 60                                                       
+          capped                                                               
+          capped_size 100m                                                     
+  <inject>
+    # key name of timestamp
+         time_key time
+    </inject>
+                                                                               
+          <buffer>                                                             
+            retry_wait 50s
+              flush_mode immediate
+            #flush_interval 10s                                                 
+          </buffer>                                                            
+  </store>                                                        
+
+  <store ignore_error>
+        @type stdout
+  </store>
+
+  <store ignore_error>
+	  @type file
+	  path /tmp/mylog
+	  <buffer>
+	    timekey 1d
+	    timekey_use_utc true
+	    timekey_wait 10s
+	  </buffer>
+  </store>
+
+</match>
+
+# output mongo log*
+#<match stats.*>
+#  @type copy
+#  <store>                              
+#          @type mongo                  
+#          #copy_mode shallow
+#                                       
+#          database fluentdb            
+#          collection stats              
+#          host mongo.poc-datacollector_datacollector-net                       
+#          port 27017                                                           
+#                                                                               
+#          num_retries 60                                                       
+#          capped                                                               
+#          capped_size 100m                                                     
+#                                                                               
+#                                                                               
+#          <buffer>                                                             
+#            flush_interval 30s                                                 
+#          </buffer>                                                            
+#  </store>                                                        
+#
+#  <store>
+#        @type stdout
+#  </store>
+#
+#  <store>
+#	  @type file
+#	  path /tmp/mylog1
+#	  <buffer>
+#	    timekey 1d
+#	    timekey_use_utc true
+#	    timekey_wait 10s
+#	  </buffer>
+#  </store>
+#
+#</match>
+----
+<1> *localhost* inside of a container will resolve to the network stack of this container
+
+
+
+
+
+
+
+
+
+
+
+
+