gateway_koa_ts/src/utils/getLocalIp.ts

import { networkInterfaces } from 'os';

export function getLocalIp(): string {
  const ips = networkInterfaces();
  let ip;
  Object.values(ips).forEach(el => {
    const matchIp = el?.find(element => element.family === 'IPv4');
    if (matchIp && matchIp.address !== '127.0.0.1') {
      ip = matchIp.address;
    }
  });
  return ip;
}