diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..91fc136
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,12 @@
+spec
+.git
+.github
+.editorconfig
+.gitignore
+Gemfile
+Gemfile.lock
+Rakefile
+*.md
+*.yml
+scripts
+env