diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 0000000000..f7089d4815
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1,18 @@
+# Default owner for everything
+* @Wei-Shaw
+
+# Backend
+/backend/ @Wei-Shaw
+
+# Frontend
+/frontend/ @Wei-Shaw
+
+# CI/CD and deployment
+/.github/ @Wei-Shaw
+/deploy/ @Wei-Shaw
+/Dockerfile @Wei-Shaw
+/Makefile @Wei-Shaw
+
+# Documentation
+/docs/ @Wei-Shaw
+*.md @Wei-Shaw