Code-MCP

/** * REST API Boilerplate * Production-ready Express.js API structure */ import express, { Request, Response, NextFunction } from "express"; import cors from "cors"; import helmet from "helmet"; import { z } from "zod"; const app = express(); // Middleware app.use(helmet()); app.use(cors()); app.use(express.json()); // Request validation middleware function validate<T extends z.ZodSchema>(schema: T) { return (req: Request, res: Response, next: NextFunction) => { const result = schema.safeParse(req.body); if (!result.success) { return res.status(400).json({ error: "Validation failed", details: result.error.flatten(), }); } req.body = result.data; next(); }; } // Error handler app.use((err: Error, req: Request, res: Response, next: NextFunction) => { console.error(err.stack); res.status(500).json({ error: "Internal server error" }); }); // Health check app.get("/health", (req, res) => { res.json({ status: "healthy", timestamp: new Date().toISOString() }); }); // Example CRUD routes const ItemSchema = z.object({ name: z.string().min(1), value: z.number(), }); app.get("/api/items", async (req, res) => { // TODO: Fetch from database res.json({ items: [] }); }); app.post("/api/items", validate(ItemSchema), async (req, res) => { const item = req.body; // TODO: Save to database res.status(201).json({ item }); }); app.get("/api/items/:id", async (req, res) => { const { id } = req.params; // TODO: Fetch from database res.json({ id }); }); app.put("/api/items/:id", validate(ItemSchema), async (req, res) => { const { id } = req.params; const item = req.body; // TODO: Update in database res.json({ id, ...item }); }); app.delete("/api/items/:id", async (req, res) => { const { id } = req.params; // TODO: Delete from database res.status(204).send(); }); const PORT = process.env.PORT || 3000; app.listen(PORT, () => console.log(`Server running on port ${PORT}`));