docs: function normalizeConnection(conn) {
    conn = conn || {};
    if (typeof conn === 'string') {
      var parts = conn.split('.');
      conn = {
        env: parts.pop(),
        app: parts.pop()
      };
    }
    // Determine environment to use
    conn.env = conn.env || process.env.NODE_ENV || 'development';
    // Use first app config if none specified
    conn.app = conn.app || Object.keys(connectionConfig)[0];
    return conn;
  }