backend files

backend/index.js

@@ -0,0 +1,41 @@
+const express = require('express');
+const cors = require('cors');
+const app = express();
+const port = process.env.PORT || 3001;
+
+app.use(cors());
+app.use(express.json());
+
+app.get('/', (req, res) => {
+  res.send('Todo API is running. Access todos at /api/todos');
+});
+
+let todos = [
+  { id: 1, task: 'Learn Node.js', completed: false },
+  { id: 2, task: 'Build a microservice app', completed: false }
+];
+
+app.get('/api/todos', (req, res) => {
+  res.json(todos);
+});
+
+app.post('/api/todos', (req, res) => {
+  if (!req.body.task) {
+    return res.status(400).json({ error: 'Task is required' });
+  }
+  const newTodo = {
+    id: Date.now(),
+    task: req.body.task,
+    completed: false
+  };
+  todos.push(newTodo);
+  res.status(201).json(newTodo);
+});
+
+if (require.main === module) {
+  app.listen(port, () => {
+    console.log(`Backend service listening at http://localhost:${port}`);
+  });
+}
+
+module.exports = app;