chore: prepare Docker deployment for HF Spaces

Dockerfile

@@ -16,16 +16,16 @@
 # Build local:  docker build -t polysignal .
 # Run local:    docker run -p 7860:7860 --env-file .env polysignal
 
-FROM node:22-slim
+FROM node:24-slim
 WORKDIR /app
 
 # Instalar dependencias del backend
 COPY backend/package*.json ./backend/
-RUN cd backend && npm ci --only=production
+RUN cd backend && npm install --only=production
 
 # Instalar dependencias del frontend y construir
 COPY frontend/package*.json ./frontend/
-RUN cd frontend && npm ci
+RUN cd frontend && npm install
 COPY frontend/ ./frontend/
 RUN cd frontend && npm run build
 
@@ -35,7 +35,11 @@ COPY backend/ ./backend/
 # Generar cliente Prisma
 RUN cd backend && npx prisma generate
 
+# Copiar entrypoint
+COPY entrypoint.sh ./entrypoint.sh
+RUN chmod +x ./entrypoint.sh
+
 # Puerto obligatorio de HuggingFace Spaces
 EXPOSE 7860
 
-CMD ["node", "backend/src/index.js"]
+CMD ["./entrypoint.sh"]

README.md

@@ -1,3 +1,13 @@
+---
+title: PolySignal Hackaton
+emoji: 📊
+colorFrom: blue
+colorTo: green
+sdk: docker
+app_port: 7860
+pinned: false
+---
+
 # PolySignal
 
 Dashboard web de inteligencia de mercados de prediccion en tiempo real.

backend/src/app.js

@@ -37,6 +37,7 @@ import statsRoutes from './stats/stats.routes.js';
 import preferencesRoutes from './preferences/preferences.routes.js';
 import { notFound } from './middlewares/notFound.js';
 import { errorHandler } from './middlewares/errorHandler.js';
+import { existsSync } from 'node:fs';
 
 const app = express();
 
@@ -66,11 +67,13 @@ app.use('/api/v1/alerts', alertsRoutes);
 app.use('/api/v1/stats', statsRoutes);
 app.use('/api/v1/preferences', preferencesRoutes);
 
-// Servir frontend estático en producción (HuggingFace Spaces)
+// Servir frontend estático en producción (HuggingFace Spaces / Docker)
+// Detecta si estamos en la raíz del proyecto o dentro de backend/
+const frontendDist = existsSync('../frontend/dist') ? '../frontend/dist' : 'frontend/dist';
 if (config.NODE_ENV === 'production') {
-  app.use(express.static('../frontend/dist'));
+  app.use(express.static(frontendDist));
   app.get('/{*path}', (_req, res) => {
-    res.sendFile('index.html', { root: '../frontend/dist' });
+    res.sendFile('index.html', { root: frontendDist });
   });
 }
 

backend/src/config.js

@@ -26,7 +26,9 @@ const schema = z.object({
   JWT_SECRET: z.string().min(32, 'JWT_SECRET must be at least 32 chars'),
   JWT_EXPIRES_IN: z.string().default('1h'),
   BCRYPT_ROUNDS: z.coerce.number().int().min(4).max(15).default(10),
-  CORS_ORIGIN: z.string().default('http://localhost:5173'),
+  CORS_ORIGIN: z.string().default(
+    process.env.NODE_ENV === 'production' ? '*' : 'http://localhost:5173'
+  ),
   LOG_LEVEL: z.enum(['trace', 'debug', 'info', 'warn', 'error', 'fatal']).default('info'),
   HF_TOKEN: z.string().optional(),
   HF_SPACE_MODERNFINBERT_URL: z.string().optional(),

entrypoint.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+set -e
+
+echo "[entrypoint] Running Prisma migrate deploy..."
+cd backend
+npx prisma migrate deploy
+
+echo "[entrypoint] Starting PolySignal server..."
+exec node src/index.js