diff --git a/.dockerignore b/.dockerignore
index f066a47962..5083b67c19 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,11 +1,18 @@
 .dockerignore
+.DS_Store
 .git
+.github
 .gitignore
+.gitmodules
+.idea
+.jekyll-metadata
+.sass-cache
 tests
 _site
 CONTRIBUTING.md
 Dockerfile
 Dockerfile.archive
 docker-compose.yml
+Gemfile
 Gemfile.lock
 Jenkinsfile