diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ef43625
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,19 @@
+# Ignore backup files.
+*~
+# Ignore Vim swap files.
+.*.swp
+# Ignore files generated by IDEs.
+/.classpath
+/.factorypath
+/.idea/
+/.ijwb/
+/.project
+/.settings
+# Ignore all bazel-* symlinks. There is no full list since this can change
+# based on the name of the directory bazel is cloned into.
+/bazel-*
+# Ignore outputs generated during Bazel bootstrapping.
+/output/
+# Ignore jekyll build output.
+/production
+/.sass-cache