freeplanet_serverside/src/server/db/mongoose.js

var mongoose = require('mongoose').set('debug', false)

mongoose.Promise = global.Promise;
mongoose.level = "";

mongoose.set('debug', false);
mongoose.set('strictQuery', false);

let options = {
  // useNewUrlParser: true,
  // useUnifiedTopology: true,
  maxPoolSize: 5,
  serverSelectionTimeoutMS: 30000,
};

console.log('process.env.AUTH_MONGODB', process.env.AUTH_MONGODB);

if (process.env.AUTH_MONGODB === '1') {
  /*options.auth = {
    authSource: "admin",
    username: process.env.MONGODB_USER,
    password: process.env.MONGODB_PWD,
  };*/
}

if (options.auth && options.auth.user) {
  console.log('MongoDb con Authenticazione:', options.auth.user, '******');
} else {
  console.log('### MongoDb SENZA Authenticazione !!! ');
}

const db = mongoose.connection;

console.log('Node Version ' + process.version);
console.log('Mongoose Version ' + mongoose.version);

connectionUrl = process.env.MONGODB_URI;
if (process.env.AUTH_MONGODB === '1') {
  connectionUrl = `mongodb://${process.env.MONGODB_USER}:${process.env.MONGODB_PWD}@localhost:27017/test_FreePlanet`;
}

console.log('Connessione a ' + connectionUrl + ' in corso...', options);
mongoose.connect(connectionUrl, options);

db.on('error', console.error.bind(console, 'connection error:'));
db.once('open', function () {
  // we're connected!
  console.log('*** CONNESSIONE EFFETTUATA ! ' + connectionUrl + ' db: ' + process.env.DATABASE)

});

module.exports = { mongoose };