Add docker/fluentd/fluent.conf.greylog

docker/fluentd/fluent.conf.greylog

@@ -0,0 +1,39 @@
+<source>
+  @type forward
+  port 24224
+  bind 0.0.0.0
+</source>
+
+<filter docker.**>
+  @type parser
+  key_name log
+  reserve_data true
+  <parse>
+    @type regexp
+    expression /^(?<message>.*)\b(SIGTERM|SEVERE ERROR|FATAL|CRITICAL)\b/i
+  </parse>
+</filter>
+
+<match docker.**>
+  @type copy  # Introduce a 'copy' stage
+
+  # Original output
+  <store>
+    @type exec
+    command "/go-glitch"
+    <buffer>
+      flush_interval 10s
+    </buffer>
+    <format>
+      @type json
+    </format>
+    run_interval 10s
+  </store>
+
+  # Graylog output
+  <store>
+    @type gelf
+    host graylog_server_hostname  # Replace with your Graylog server's hostname
+    port 12201                    # Standard GELF port
+  </store>
+</match>