refactor: replace cron-based notification scheduling with continuous worker execution in Dockerfile

notification-sender/Dockerfile

@@ -29,14 +29,8 @@ COPY --from=builder /app/dist ./dist
 # Copiar archivos de entorno a la raíz /app
 COPY --from=builder /app/.env* ./
 
-# Instalar bash y cron
-RUN apk add --no-cache bash curl
-
 # Crear carpeta de logs
 RUN mkdir -p /app/logs
 
-# Agregar tarea de cron: todos los días a las (9-3)UTF = 6AM GMT-3
-RUN echo "0 9 * * * cd /app && NODE_ENV=production NODE_NO_WARNINGS=1 DOTENV_DISABLE_TELEMETRY=1 node dist/index.js >> /app/logs/cron.log 2>&1" > /etc/crontabs/root
-
-# Mantener cron en primer plano
-CMD ["crond", "-f", "-L", "/app/logs/cron.log"]
+# Ejecutar el worker continuo de jobs de notificaciones
+CMD ["node", "dist/index.js"]