diff --git a/Dockerfile b/Dockerfile
index 7f36b66..193bd7f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,5 @@
+# https://dev.to/code42cate/how-to-dockerize-and-deploy-astro-6ll
+
 FROM node:alpine AS base
 WORKDIR /app