diff --git a/go/04-design-pattern/README.md b/go/04-design-pattern/README.md
new file mode 100644
index 0000000..850d97c
--- /dev/null
+++ b/go/04-design-pattern/README.md
@@ -0,0 +1,9 @@
+# Assignment
+
+Implement an arbitrary [design pattern](https://refactoring.guru/design-patterns/catalog) in Go.
+
+1. Create a package named `patterns` in the `04-design-patterns` folder
+2. Implement the design pattern in that package
+3. Implement a corresponding unit test
+4. Create an example application that uses the design pattern in the file `04-design-patterns/main.go`
+5. Zip the source code and upload