diff --git a/.gitignore b/.gitignore
index e69de29b..388fd7a9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,14 @@
+# Runtime / data
+data/
+logs/
+error_log
+
+# CI4 writable runtime
+*/writable/logs/
+*/writable/cache/
+*/writable/session/
+*/writable/debugbar/
+
+# OS
+.DS_Store
+Thumbs.db
\ No newline at end of file