remove: incorrectly placed root app.js
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app.js
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/**
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* Aplicacion Express principal — configuracion de middlewares y montaje de rutas.
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*
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* Middlewares aplicados (en orden):
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* 1. helmet() — headers de seguridad (X-Frame-Options, HSTS, etc.).
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* 2. cors() — CORS con origen configurable (CORS_ORIGIN).
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* 3. rateLimit() — 200 peticiones / 15 min por IP.
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* 4. express.json() — parseo de JSON con limite de 1 MB.
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*
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* Rutas REST montadas bajo /api/v1:
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* - /auth → login, perfil (auth.routes.js)
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* - /markets → listado y detalle de mercados (markets.routes.js)
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* - /markets → senales IA por mercado (signals.routes.js, subruta)
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* - /positions → simulador de posiciones virtuales (positions.routes.js)
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* - /watchlist → lista de seguimiento (watchlist.routes.js)
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* - /alerts → historial de alertas (alerts.routes.js)
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* - /health → healthcheck basico
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*
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* Manejo de errores:
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* - notFound → 404 para rutas no definidas.
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* - errorHandler → 500 generico en produccion, detalles en desarrollo.
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*/
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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 rateLimit from 'express-rate-limit';
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import { config } from './config.js';
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import { ok } from './utils/apiResponse.js';
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import authRoutes from './auth/auth.routes.js';
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import marketsRoutes from './markets/markets.routes.js';
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import signalsRoutes from './signals/signals.routes.js';
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import positionsRoutes from './positions/positions.routes.js';
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import watchlistRoutes from './watchlist/watchlist.routes.js';
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import alertsRoutes from './alerts/alerts.routes.js';
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import statsRoutes from './stats/stats.routes.js';
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import preferencesRoutes from './preferences/preferences.routes.js';
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import { notFound } from './middlewares/notFound.js';
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import { errorHandler } from './middlewares/errorHandler.js';
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import { existsSync } from 'node:fs';
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const app = express();
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app.set('trust proxy', 1);
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app.use(helmet());
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app.use(cors({ origin: config.CORS_ORIGIN, credentials: true }));
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// Rate limit: muy permisivo en desarrollo, restrictivo en producción
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const rateLimitMax = config.NODE_ENV === 'production' ? 200 : 5000;
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app.use(
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rateLimit({
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windowMs: 15 * 60 * 1000,
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max: rateLimitMax,
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standardHeaders: true,
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legacyHeaders: false,
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message: { ok: false, error: { code: 'TOO_MANY_REQUESTS', message: 'Rate limit exceeded' } },
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}),
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);
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app.use(express.json({ limit: '1mb' }));
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app.get('/api/v1/health', (_req, res) => ok(res, { status: 'up' }));
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app.use('/api/v1/auth', authRoutes);
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app.use('/api/v1/markets', marketsRoutes);
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app.use('/api/v1/markets', signalsRoutes);
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app.use('/api/v1/positions', positionsRoutes);
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app.use('/api/v1/watchlist', watchlistRoutes);
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app.use('/api/v1/alerts', alertsRoutes);
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app.use('/api/v1/stats', statsRoutes);
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app.use('/api/v1/preferences', preferencesRoutes);
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// Servir frontend estático en producción (HuggingFace Spaces / Docker)
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// Detecta si estamos en la raíz del proyecto o dentro de backend/
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const frontendDist = existsSync('../frontend/dist') ? '../frontend/dist' : 'frontend/dist';
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if (config.NODE_ENV === 'production') {
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app.use(express.static(frontendDist));
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app.get('/{*path}', (_req, res) => {
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res.sendFile('index.html', { root: frontendDist });
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});
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}
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app.use(notFound);
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app.use(errorHandler);
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export default app;
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