diff --git a/README.md b/README.md
index 9563d73..ac78096 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1 @@
-# 7748c67fc1a94811846a485c1c299712
-
+# commonjs hello-world
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..e75e2a7
--- /dev/null
+++ b/index.js
@@ -0,0 +1,3 @@
+exports.main = (req, res) => {
+    res.send('hello, world');
+};