diff --git a/backend/.env.example b/backend/.env.example
new file mode 100644
index 0000000..1abe4ec
--- /dev/null
+++ b/backend/.env.example
@@ -0,0 +1,9 @@
+# Server
+PORT=3000
+NODE_ENV=development
+
+# JWT
+JWT_SECRET=your-secret-key-here
+
+# Database
+DB_PATH=./clouddisk.db