text: #!/usr/bin/env node
  
  require('dotenv-extended').load({
    encoding: 'utf8',
    silent: true,
    path: '.env',
    defaults: '.env.defaults',
    schema: '.env.schema',
    errorOnMissing: true,
    errorOnExtra: true,
    assignToProcessEnv: true,
    overrideProcessEnv: false
  })
  
  /**
   * Module dependencies.
   */
  
  var app = require('./app')
  var debug = require('debug')('app:server')
  var http = require('http')
  
  /**
   * Get port from environment and store in Express.
   */
  
  var port = normalizePort(process.env.PORT || '3000')
  app.set('port', port)
  
  /**
   * Create HTTP server.
   */
  
  var server = http.createServer(app)
  
  /**
   * Listen on provided port, on all network interfaces.
   */
  
  server.listen(port, () => {
    console.log(`Auth Server is listening on port ${port}`)
  })
  server.on('error', onError)
  server.on('listening', onListening)
  
  /**
   * Normalize a port into a number, string, or false.
   */
  
  function normalizePort(val) {
    var port = parseInt(val, 10)
  
    if (isNaN(port)) {
      // named pipe
      return val
    }
  
    if (port >= 0) {
      // port number
      return port
    }
  
    return false
  }
  
  /**
   * Event listener for HTTP server "error" event.
   */
  
  function onError(error) {
    if (error.syscall !== 'listen') {
      throw error
    }
  
    var bind = typeof port === 'string' ? 'Pipe ' + port : 'Port ' + port
  
    // handle specific listen errors with friendly messages
    switch (error.code) {
      case 'EACCES':
        console.error(bind + ' requires elevated privileges')
        process.exit(1)
        break
      case 'EADDRINUSE':
        console.error(bind + ' is already in use')
        process.exit(1)
        break
      default:
        throw error
    }
  }
  
  /**
   * Event listener for HTTP server "listening" event.
   */
  
  function onListening() {
    var addr = server.address()
    var bind = typeof addr === 'string' ? 'pipe ' + addr : 'port ' + addr.port
    debug('Listening on ' + bind)
  }
  