pwhisenhunt

process.on('SIGINT', () => {
  console.log('SIGINT signal received.');
  let mongoClientExited = false;
  let redisClientExited = false;
  let expressServerExited = false;

  function attemptToExitProcess() {
    if (redisClientExited && mongoClientExited && expressServerExited) {
      console.log('All connections have cleanly closed. Exiting process...');
      process.exit(0);

pwhisenhunt

let mongooseConnected = false;
let redisConnected = false;

function tryToStartTheServer() {
  if (mongooseConnected && redisConnected) {
    console.log("mongoose and redis are connected. LET'S GO!");
    app.emit('ready');
  }
}

pwhisenhunt

const redisOptions = { host: env.REDIS_HOST, port: env.REDIS_PORT };
if (env.NODE_ENV === 'production') {
  redisOptions['password'] = env.REDIS_PASSWORD;
}
const redisClient = redis.createClient(redisOptions);
const redisEvents = [
  'ready',
  'connect',
  'end',
  'error',

pwhisenhunt

let numberOfMongooseRetries = 1;
const THIRTY_SECONDS = 30000;
const MAX_DELAY_TO_RECONNECT = THIRTY_SECONDS;
async function connectToMongoose() {
  console.log(`attempt ${numberOfMongooseRetries} to connect to mongo`);
  try {
    await mongoose.connect(env.MONGO_DB_CONNECTION_STRING,  { useNewUrlParser: true })
  }
  catch (err) {
    // Note: this is where you would send errors to your error tracker

pwhisenhunt

function ensure(keys) {
  const out = {};
  keys.forEach(key => {
    if (!process.env[key]) {
      throw new Error(`Missing environment variable ${key}`);
    }
    out[key] = process.env[key];
  });
  return out;
};

pwhisenhunt

const mongooseEvents = [
  'close',
  'connected',
  'disconnected',
  'disconnecting',
  'error',
  'fullsetup',
  'all',
  'reconnected',
  'reconnectFailed',

pwhisenhunt

const express = require("express")
const http = require("http")
const redis = require("redis")
const mongoose = require('mongoose');

const app = express();
server = http.createServer(app);

pwhisenhunt

Keybase proof

I hereby claim:

• I am pwhisenhunt on github.
• I am pwhisenhunt (https://keybase.io/pwhisenhunt) on keybase.
• I have a public key ASDPcgH_FgkRxCK_p1U3SEgz53PUlCKcXBWsO7nrQZN49wo

To claim this, I am signing this object: