Create server.js

server.js

@@ -0,0 +1,12 @@
+// Simple HTTP server
+const http = require('http');
+
+const server = http.createServer((req, res) => {
+  res.writeHead(200, { 'Content-Type': 'text/plain' });
+  res.end('Hello World from Node.js in Docker!\n');
+});
+
+const PORT = process.env.PORT || 3000;
+server.listen(PORT, () => {
+  console.log(`Server running on port ${PORT}`);
+});