feat: add backend infrastructure - Express server, auth, CRUD APIs, DB migrations

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

server.js

@@ -0,0 +1,58 @@
+const express = require('express');
+const cors = require('cors');
+const helmet = require('helmet');
+const compression = require('compression');
+const path = require('path');
+
+const app = express();
+const PORT = process.env.PORT || 3000;
+
+// Security middleware
+app.use(helmet({ contentSecurityPolicy: false }));
+app.use(compression());
+app.use(cors({
+  origin: process.env.FRONTEND_URL || true,
+  credentials: true
+}));
+app.use(express.json({ limit: '10mb' }));
+app.use(express.urlencoded({ extended: true }));
+
+// Database connection
+const { connectDB } = require('./src/db/connection');
+
+// Routes
+const authRoutes = require('./src/routes/auth');
+const craftsmenRoutes = require('./src/routes/craftsmen');
+const productsRoutes = require('./src/routes/products');
+const ordersRoutes = require('./src/routes/orders');
+
+app.use('/api/auth', authRoutes);
+app.use('/api/craftsmen', craftsmenRoutes);
+app.use('/api/products', productsRoutes);
+app.use('/api/orders', ordersRoutes);
+
+// Health check
+app.get('/api/health', (req, res) => {
+  res.json({ status: 'ok', service: 'shokuninmarche-api', timestamp: new Date().toISOString() });
+});
+
+// Serve React frontend in production
+app.use(express.static(path.join(__dirname, 'client/dist')));
+app.get('*', (req, res) => {
+  res.sendFile(path.join(__dirname, 'client/dist', 'index.html'));
+});
+
+// Start server
+async function start() {
+  try {
+    await connectDB();
+    app.listen(PORT, () => {
+      console.log(`🚀 shokuninmarche server running on port ${PORT}`);
+    });
+  } catch (err) {
+    console.error('Failed to start server:', err);
+    process.exit(1);
+  }
+}
+
+start();