Copilot third commit

comments.js

@@ -0,0 +1,32 @@
+// create web server
+// 1. Create a web server
+// 2. Create a route
+// 3. Create a response
+
+// 1. Create a web server
+const http = require('http');
+const server = http.createServer();
+server.listen(3000);
+
+// 2. Create a route
+server.on('request', (req, res) => {
+  if (req.url === '/comments') {
+    res.writeHead(200, { 'Content-Type': 'application/json' });
+    res.write(JSON.stringify({ comments: [] }));
+    res.end();
+  }
+  else {
+    res.writeHead(404);
+    res.end();
+  }
+});
+// 3. Create a response
+// http://localhost:3000/comments
+// GET /comments
+// 200 OK
+// Content-Type: application/json
+// { "comments": [] }
+
+// http://localhost:3000/unknown
+// GET /unknown
+// 404 Not Found