diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..78442ed
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,18 @@
+# Documentation, might leak version number
+CHANGELOG.md
+LICENSE.md
+CREDITS.md
+INSTALL.md
+README.md
+doc/
+
+# Dotfiles, pointless
+.codeclimate.yml
+.csslintrc
+.editorconfig
+.eslint*
+.git*
+.php_cs
+.styleci.yml
+.travis.yml
+.github