cambiando forma de obtener IP local

import * as dotenv from 'dotenv';

import * as network from 'network';

let publicIp: string;

dotenv.config();

import * as os from 'os';

let ip = '';

const interfaces = os.networkInterfaces();

for (const interfaceName in interfaces) {

  const networkInterfaces = interfaces[interfaceName];

  for (const networkInterface of networkInterfaces) {

    if (networkInterface.family === 'IPv4' && !networkInterface.internal) {

      ip = networkInterface.address;

    }

  }

}

export class ServerConstants {

  static PORT: number = process.env.SERVER_PORT ? parseInt(process.env.SERVER_PORT) : 3003;

  static IP: string = ip;

  static HOST: string = `${ip || 'http://localhost'}:${this.PORT}`;

  static IP: string = publicIp || 'http://localhost';

  static HOST: string = `${publicIp || 'http://localhost'}:${this.PORT}`;

}

network.get_private_ip(function (err, ip) {

  publicIp = ip;

  ServerConstants.IP = publicIp;

  ServerConstants.HOST = `${publicIp}:${ServerConstants.PORT}`;

});