diff --git a/docker/fluentd/fluent.conf b/docker/fluentd/fluent.conf
index 3766a25..d0dcd91 100644
--- a/docker/fluentd/fluent.conf
+++ b/docker/fluentd/fluent.conf
@@ -9,11 +9,13 @@
 </source>
 
 <filter docker.**>
-  @type grep
-  <regexp>
-    key log
-    pattern /Rocket has launched/
-  </regexp>
+  @type parser
+  key_name log
+  reserve_data true
+  <parse>
+    @type regexp
+    expression /(?<message>.*(ERROR|FATAL|CRITICAL|exception|failed|failure).*)/i
+  </parse>
 </filter>
 
 <match docker.**>