diff --git a/.dockerignore b/.dockerignore
index f7d90d4e5..28c6753f5 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,4 +1,7 @@
+*~
+.dockerignore
 .hg
+Dockerfile
 
 # Remove the git objects, logs, etc. to make final image smaller.
 # Some files still need to be in the .git directory, because Etherpad at