Update Dockerfile

Dockerfile

@@ -1,68 +1,32 @@
-// ESM server (Node 20+). Serves API + built React app from frontend/dist
-
-import 'dotenv/config';
-import express from 'express';
-import cors from 'cors';
-import helmet from 'helmet';
-import morgan from 'morgan';
-import mongoose from 'mongoose';
-import path from 'node:path';
-import { fileURLToPath } from 'node:url';
-
-// ---- paths / __dirname ----
-const __filename = fileURLToPath(import.meta.url);
-const __dirname = path.dirname(__filename);
-
-// ---- env & port ----
-const MONGODB_URI = process.env.MONGODB_URI;
-const PORT = Number(process.env.PORT) || 7860; // HF uses $PORT (7860)
-
-// ---- basic app ----
-const app = express();
-app.set('trust proxy', 1);
-app.use(helmet());
-app.use(cors());
-app.use(express.json({ limit: '1mb' }));
-app.use(morgan('tiny'));
-
-// ---- DB connect ----
-if (!MONGODB_URI) {
-  console.error('❌ Missing MONGODB_URI environment variable.');
-  process.exit(1);
-}
-mongoose.set('strictQuery', true);
-try {
-  await mongoose.connect(MONGODB_URI);
-  console.log('✅ MongoDB connected');
-} catch (err) {
-  console.error('❌ MongoDB connection error:', err.message || err);
-  process.exit(1);
-}
-
-// ---- routes ----
-// import your existing router (already created earlier)
-import productsRouter from './routes/products.routes.js';
-
-// Health check first (before static fallback)
-app.get('/health', (_req, res) => {
-  const conn = mongoose.connection.readyState === 1 ? 'connected' : 'disconnected';
-  res.json({ ok: conn === 'connected', db: conn });
-});
-
-// API
-app.use('/api/products', productsRouter);
-
-// ---- static frontend build ----
-const clientDir = path.join(__dirname, '../../frontend/dist');
-app.use(express.static(clientDir));
-
-// Fallback to index.html for SPA routes (but not for /api/*)
-app.get('*', (req, res) => {
-  if (req.path.startsWith('/api/')) return res.status(404).json({ error: 'Not found' });
-  res.sendFile(path.join(clientDir, 'index.html'));
-});
-
-// ---- start ----
-app.listen(PORT, '0.0.0.0', () => {
-  console.log(`🚀 API running on http://0.0.0.0:${PORT}`);
-});
+# ---------- build stage ----------
+FROM node:20-slim AS builder
+WORKDIR /app
+
+# Install deps (non-strict to avoid lockfile mismatches)
+COPY frontend/package*.json frontend/
+COPY backend/package*.json backend/
+RUN npm install --prefix frontend
+RUN npm install --omit=dev --prefix backend
+
+# Copy sources
+COPY frontend ./frontend
+COPY backend ./backend
+
+# Build React app
+RUN npm run build --prefix frontend
+
+# ---------- runtime ----------
+FROM node:20-slim
+WORKDIR /app
+
+# Bring backend + built frontend
+COPY --from=builder /app/backend ./backend
+COPY --from=builder /app/frontend/dist ./frontend/dist
+
+ENV NODE_ENV=production
+# Hugging Face sets $PORT (usually 7860). We bind to it explicitly.
+ENV PORT=7860
+EXPOSE 7860
+
+# Start Express (serves /api + frontend/dist)
+CMD ["node", "backend/src/server.js"]