diff --git a/.gitignore b/.gitignore
new file mode 100644
index 000000000..b2babb955
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,7 @@
+.bundle
+lib/danbooru_image_resizer/*.so
+lib/danbooru_image_resizer/*.o
+lib/danbooru_image_resizer/*.bundle
+db/*.sqlite3
+log/*.log
+tmp/**/*