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#!/usr/bin/env node

const os = require("os");

console.log('Information about CPUs \n', os.cpus());

// To run this script you need to apply the permision run executable -> chmod +x script.js
// The # allows to tell the shell run this script with node env

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/**
 * Example to simulate a intesive work, sum the value recieved
 * @param {number} value
 */
const handlerHeavyOperation = (value = 0) => {
  let res = value;
  for (let i = 0; i < 90000; i++) {
    res += i;
  }
  return res;

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const EventEmitter = require("events");

/**
 * Example using EventEmitter to notify custom events
 * The class extends from EventEmitter to use the methods
 * emit: Emit the custom event with the payload
 * on: Handler to listen any custom event, similar to a eventListener in Web
 */
class Reviews extends EventEmitter {
  constructor() {

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/**
 * What pass when require a module?
 *
 * Steps
 *
 * 1. Resolving
 * 2. Loading
 * 3. Wrapping
 * 4. Evaluating
 * 5. Caching

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FROM node:16.13.0-alpine AS base

FROM base AS build
WORKDIR /usr/src/app
COPY . .
RUN npm ci --production
RUN npm run build

FROM base AS publish
COPY --from=build /usr/src/app/package.json /usr/src/app/package.json

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// Retrieve the arguments pass to the process
// Skip the first arguments (node path | file path)
const [, , ...params] = process.argv;

console.log("params recieved in the process", process.argv);

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const { promisify } = require("util");

// Example legacy callback function with schema callback(err, response)
const legacyFunctionAPI = (name, callback) => {
  setTimeout(() => {
    if (Math.random() < 0.5) {
      callback(null, { id: 2, name });
    } else {
      callback(new Error("The API has fail"), null);
    }

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const express = require("express");
const cluster = require("cluster");
const os = require("os");

const PORT = process.env.PORT || 3001;

// Replace with your logger
const logger = console;

// If the current is master, create the fork for all the cpus

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const express = require("express");

const app = express();

const PORT = process.env.PORT || 3001;

// Replace with your logger
const logger = console;

/**

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const axios = require("axios");
const Agent = require("agentkeepalive");
const CircuitBreaker = require("opossum");

// Replace with your configs
const TIMEOUT_DEFAULT = 2500;
const MAX_SOCKETS = 100;
const MAX_FREE_SOCKET = 10;
const TIME_OUT_KEEP_ALIVE = 60000;
const FREE_SOCKET_TIMEOUT = 30000;