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cryptoking1106
237
2_copy trading bot(node) using gRPC/dashboard/server.js
Normal file
237
2_copy trading bot(node) using gRPC/dashboard/server.js
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import express from 'express';
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import cors from 'cors';
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import helmet from 'helmet';
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import compression from 'compression';
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import { RateLimiterMemory } from 'rate-limiter-flexible';
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import { config } from '../config.js';
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import logger from '../utils/logger.js';
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import riskManager from '../services/riskManager.js';
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import notificationService from '../services/notifications.js';
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const app = express();
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const PORT = process.env.DASHBOARD_PORT || 3000;
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// Rate limiting
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const rateLimiter = new RateLimiterMemory({
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keyGenerator: (req) => req.ip,
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points: config.security.maxRequestsPerMinute,
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duration: 60,
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});
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// Middleware
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app.use(helmet());
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app.use(cors());
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app.use(compression());
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app.use(express.json());
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app.use(express.static('dashboard/public'));
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// Rate limiting middleware
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app.use(async (req, res, next) => {
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try {
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await rateLimiter.consume(req.ip);
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next();
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} catch (rejRes) {
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res.status(429).json({
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error: 'Too many requests',
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retryAfter: Math.round(rejRes.msBeforeNext / 1000),
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});
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}
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});
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// Health check endpoint
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app.get('/api/health', (req, res) => {
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res.json({
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status: 'healthy',
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timestamp: new Date().toISOString(),
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uptime: process.uptime(),
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});
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});
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// Get bot status and configuration
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app.get('/api/status', (req, res) => {
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try {
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const status = {
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bot: {
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status: 'running',
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uptime: process.uptime(),
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version: '2.0.0',
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timestamp: new Date().toISOString(),
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},
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config: {
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trading: config.trading,
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risk: config.risk,
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pools: config.pools,
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},
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};
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res.json(status);
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} catch (error) {
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logger.error('Error getting bot status', error);
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res.status(500).json({ error: 'Internal server error' });
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}
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});
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// Get risk metrics
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app.get('/api/risk', (req, res) => {
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try {
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const riskMetrics = riskManager.getRiskMetrics();
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res.json(riskMetrics);
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} catch (error) {
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logger.error('Error getting risk metrics', error);
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res.status(500).json({ error: 'Internal server error' });
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}
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});
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// Get active positions
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app.get('/api/positions', (req, res) => {
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try {
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const positions = riskManager.getActivePositions();
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const summary = riskManager.getPositionSummary();
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res.json({
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positions,
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summary,
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timestamp: new Date().toISOString(),
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});
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} catch (error) {
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logger.error('Error getting positions', error);
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res.status(500).json({ error: 'Internal server error' });
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}
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});
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// Get trading history
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app.get('/api/history', (req, res) => {
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try {
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const history = riskManager.tradeHistory || [];
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const dailyStats = riskManager.getDailyStats();
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res.json({
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history,
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dailyStats,
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timestamp: new Date().toISOString(),
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});
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} catch (error) {
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logger.error('Error getting trading history', error);
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res.status(500).json({ error: 'Internal server error' });
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}
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});
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// Get daily statistics
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app.get('/api/stats', (req, res) => {
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try {
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const dailyStats = riskManager.getDailyStats();
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res.json(dailyStats);
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} catch (error) {
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logger.error('Error getting daily stats', error);
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res.status(500).json({ error: 'Internal server error' });
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}
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});
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// Emergency actions
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app.post('/api/emergency/close-all', async (req, res) => {
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try {
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const { reason } = req.body;
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const results = await riskManager.emergencyCloseAll(reason || 'dashboard_request');
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res.json({
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success: true,
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message: 'Emergency closure initiated',
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results,
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timestamp: new Date().toISOString(),
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});
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} catch (error) {
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logger.error('Error initiating emergency closure', error);
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res.status(500).json({ error: 'Internal server error' });
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}
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});
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// Send test notification
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app.post('/api/notifications/test', async (req, res) => {
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try {
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const { message, type } = req.body;
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await notificationService.sendNotification(
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message || 'Test notification from dashboard',
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type || 'info',
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{ source: 'dashboard' }
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);
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res.json({
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success: true,
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message: 'Test notification sent',
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timestamp: new Date().toISOString(),
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});
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} catch (error) {
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logger.error('Error sending test notification', error);
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res.status(500).json({ error: 'Internal server error' });
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}
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});
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// Update configuration (read-only for now, could be extended)
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app.get('/api/config', (req, res) => {
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try {
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// Return safe configuration (no sensitive data)
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const safeConfig = {
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trading: config.trading,
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risk: config.risk,
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pools: config.pools,
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swap: config.swap,
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logging: config.logging,
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};
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res.json(safeConfig);
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} catch (error) {
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logger.error('Error getting configuration', error);
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res.status(500).json({ error: 'Internal server error' });
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}
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});
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// WebSocket endpoint for real-time updates (placeholder)
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app.get('/api/ws', (req, res) => {
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res.json({
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message: 'WebSocket endpoint - implement with Socket.IO for real-time updates',
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timestamp: new Date().toISOString(),
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});
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});
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// Error handling middleware
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app.use((error, req, res, next) => {
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logger.error('Dashboard error', error);
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res.status(500).json({
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error: 'Internal server error',
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message: error.message,
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timestamp: new Date().toISOString(),
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});
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});
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// 404 handler
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app.use('*', (req, res) => {
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res.status(404).json({
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error: 'Endpoint not found',
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timestamp: new Date().toISOString(),
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});
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});
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// Start server
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const server = app.listen(PORT, () => {
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logger.info(`Dashboard server started on port ${PORT}`);
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logger.info(`Dashboard available at: http://localhost:${PORT}`);
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});
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// Graceful shutdown
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process.on('SIGTERM', () => {
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logger.info('SIGTERM received, shutting down dashboard server');
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server.close(() => {
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logger.info('Dashboard server closed');
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process.exit(0);
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});
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});
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process.on('SIGINT', () => {
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logger.info('SIGINT received, shutting down dashboard server');
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server.close(() => {
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logger.info('Dashboard server closed');
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process.exit(0);
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});
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});
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export default app;
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