artemis15

(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
xml2js = require('xml2js')

},{"xml2js":51}],2:[function(require,module,exports){
'use strict';

var keys = require('object-keys');
var hasSymbols = typeof Symbol === 'function' && typeof Symbol('foo') === 'symbol';

var toStr = Object.prototype.toString;

artemis15

const prom = require('prom-client');
const pm2 = require('pm2');

let pm2Bus;

const REQ_TOPIC = 'get_prom_register';

function pm2exec(cmd, ...args) {
  return new Promise((resolve, reject) => {
    pm2[cmd](...args, (err, resp) => (err ? reject(err) : resolve(resp)));

artemis15

const prom = require('prom-client');
const pm2 = require('pm2');

let pm2Bus;

const REQ_TOPIC = 'get_prom_register';

function pm2exec(cmd, ...args) {
  return new Promise((resolve, reject) => {
    pm2[cmd](...args, (err, resp) => (err ? reject(err) : resolve(resp)));

artemis15

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

artemis15

const express = require('express');
const bcrypt = require('bcryptjs');
const jwt = require('jsonwebtoken');
const {validationResult} = require('express-validator/check');
const config = require('../../configs/config/config');
const userModel = require('../../models/user');

const register = async(req,res,next) => {
    let errors = validationResult(req);
    

artemis15

const express = require('express');
const jwt = require('jsonwebtoken');
const config = require('../configs/config/config');

const authClientToken = async(req,res,next)=>{
    let token = req.headers['x-access-token'];
    if(!token)
    {
        return res.status(401).json({
            'errors' : [{

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const {body} = require('express-validator/check');
const validateRegistrationBody = () => {
    return [ 
        body('name')
        .exists()
        .withMessage('name field is required')
        .isLength({min:3})
        .withMessage('name must be greater than 3 letters'),
        body('email').exists()
        .withMessage('email field is required')

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const mongoose = require('mongoose');
const Schema = mongoose.Schema;

let userSchema = new Schema(
    {
        name : {
            type:String,
            required:[true,'Name is required']
        },
        email : {

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  const express = require("express");
const mongoose = require("mongoose");
const bodyParser = require("body-parser");
const expressValidator = require('express-validator');
let routes = require("../routes/routes");
let server = express();

let create = (config, db) => {
  server.set("env", config.env);
  server.set("port", config.port);

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let localConfig = {
    hostname: 'localhost',
    port: 3000,
    secret : '123secret321',
  };
  
  module.exports = localConfig;