fix: Improve Docker data persistence for Coolify deployments

- Update docker-compose.yml to use latest image tag
- Add DB_PATH environment variable for explicit database location
- Configure bind mount for better data persistence in Coolify
- Add VOLUME directive in Dockerfile for data directory
- Ensure database survives container updates and restarts

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Dockerfile

@@ -22,9 +22,12 @@ RUN mkdir -p /app/data && \
     chown -R app:app /app
 USER app
 
-# 8. Exponer el puerto
+# 8. Crear volumen para persistencia de datos
+VOLUME ["/app/data"]
+
+# 9. Exponer el puerto
 EXPOSE 3111
 
-# 9. Comando de inicio
+# 10. Comando de inicio
 CMD ["npm", "start"]