diff --git a/.gitignore b/.gitignore
index b765bfee61f..4bc777bdd9d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -40,3 +40,6 @@ ckan_deb/DEBIAN/prerm
 
 # node.js
 node_modules/
+
+# docker
+contrib/docker/.env