Fix healthchecks: install curl in backend and frontend images

backend/server.js

@@ -0,0 +1,30 @@
+const express = require('express');
+const cors = require('cors');
+const passport = require('passport');
+require('./config/passport'); // Load JWT strategy
+const { sequelize, connectDB } = require('./config/database');
+
+const app = express();
+const PORT = process.env.PORT || 5000;
+
+// Middleware
+app.use(cors());
+app.use(express.json({ limit: '50mb' }));
+app.use(passport.initialize());
+
+// Routes
+app.use('/api/auth', require('./routes/auth'));
+app.use('/api/drawings', require('./routes/drawings'));
+app.use('/api/blocks', require('./routes/blocks'));
+app.use('/api/dxf', require('./routes/dxf'));
+app.use('/api/plugins', require('./routes/plugins'));
+
+// Health check
+app.get('/api/health', (req, res) => res.json({ status: 'ok' }));
+
+// Connect DB and start
+connectDB().then(() => {
+  app.listen(PORT, () => console.log(`Server running on port ${PORT}`));
+}).catch(err => {
+  console.error('Unable to start server:', err);
+});