配置项

interface ApplicationOptions {
  /**
   * Signed cookie keys
   */
  keys?: string[];

  /**
   * Trust proxy headers
   */
  proxy?: boolean;

  /**
   * Subdomain offset
   */
  subdomainOffset?: number;

  /**
   * Controller list
   */
  controllers?: Function[];

  /**
   * Middleware list
   */
  middlewares?: Middleware[];

  /**
   * Body parser options
   * @link https://github.com/koajs/bodyparser
   */
  bodyParser?: bodyParser.Options;

  /**
   * Session options
   * @link https://github.com/koajs/session
   */
  session?: session.opts;

  /**
   * Global prefix for routes
   */
  globalPrefix?: string;
}