index.js

exports.start = function (config, callback) {
  var project_dir = process.cwd();

  var cfg = environment.getConfig(
    process.platform,   // platform
    process.env,        // environment vars
    project_dir,        // project directory
    []                  // command-line arguments
  );

  exports.init(_.extend(cfg, config));

  return callback();
};