diff --git a/.gitignore b/.gitignore
index a16add5..0764e3b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 .env
+data
 tmp
diff --git a/reference/Dockerfile b/reference/Dockerfile
deleted file mode 100644
index 8b13789..0000000
--- a/reference/Dockerfile
+++ /dev/null
@@ -1 +0,0 @@
-