https://github.com/os-js/osjs-database-auth server.js example

index.js

/*!
 * OS.js - JavaScript Cloud/Web Desktop Platform
 *
 * Copyright (c) 2011-2019, Anders Evenrud <andersevenrud@gmail.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * @author  Anders Evenrud <andersevenrud@gmail.com>
 * @licence Simplified BSD License
 */

//
// This is the server bootstrapping script.
// This is where you can register service providers or set up
// your libraries etc.
//
// https://manual.os-js.org/v3/guide/provider/
// https://manual.os-js.org/v3/install/
// https://manual.os-js.org/v3/resource/official/
//

const {
  Core,
  CoreServiceProvider,
  PackageServiceProvider,
  VFSServiceProvider,
  AuthServiceProvider,
  SettingsServiceProvider
} = require('@osjs/server');

// In the top of the file load the library
const dbAuth = require('@osjs/database-auth');

const config = require('./config.js');
const osjs = new Core(config, {});

osjs.register(CoreServiceProvider, {before: true});
osjs.register(PackageServiceProvider);
osjs.register(VFSServiceProvider);
// Locate this line in the file and add the following:
osjs.register(AuthServiceProvider, {
  args: {
    adapter: dbAuth.adapter,
    config: {
      connection: {
        // Change this to match your local database server
        type: 'mysql',
        host: 'localhost',
        username: 'osjsv3',
        password: 'secret',
        database: 'osjsv3',

        // See TypeORM documentation for more settings
      }
    }
  }
});
osjs.register(SettingsServiceProvider);

process.on('SIGTERM', () => osjs.destroy());
process.on('SIGINT', () => osjs.destroy());
process.on('exit', () => osjs.destroy());
process.on('uncaughtException', e => console.error(e));
process.on('unhandledRejection', e => console.error(e));

osjs.boot();