text: const process = require('process');
  const _ = require('lodash');
  
  let defaults = {
    PORT: 3000,
    MASTER_PASSWORD: ''
  };
  
  let envVars = _.pick( process.env, Object.keys( defaults ) );
  
  let conf = Object.assign( {}, defaults, envVars );
  
  Object.freeze( conf );
  
  module.exports = conf;
  