diff --git a/Dockerfile b/Dockerfile
index deb58af..46ed403 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,6 +3,9 @@ from mcluseau/golang-builder:1.15.1 as build
 
 # ------------------------------------------------------------------------
 from alpine:3.12
+
+entrypoint mksquashfs /layer /layer.squashfs && base64 </layer.squashfs
+
 run apk add --update squashfs-tools
 
 add layer/ /layer/