diff --git a/Dockerfile b/Dockerfile
index 3c4b42355429d63053a3033881f27b73426e130e..9145b7b1d4630d129a047e9204f6545f8b5d1e61 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,7 @@
+# NOTE: this Dockerfile builds Metabase from source. We recommend deploying the pre-built
+# images hosted on Docker Hub https://hub.docker.com/r/metabase/metabase/ which use the
+# Dockerfile located at ./bin/docker/Dockerfile
+
 FROM java:openjdk-7-jre-alpine
 
 ENV JAVA_HOME=/usr/lib/jvm/default-jvm