.then(() => {
        const app = express();
        const port = process.env.PORT || 3000;

        // using default memory store so will be wiped sam way as the db
        app.use(session({
            secret: 'super secret',
            resave: false, // can be false for redis not sure about memoryStore
            saveUninitialized: false,
        }));

        // TODO: PERF: first response is pretty slow because it has to bundle all the things
        // TODO: use tsify to generate correct source maps
        app.get('/static/js/bundle.js', browserify(__dirname + '/../app/main.js', {}));

        // register api routes
        app.use('/api/v1/', api);

        // serve files from the root so no security here, but some stuff is linked directly from node_modules
        app.use('/', express.static(path.join(__dirname, '../'), { maxAge: 31557600000 }));

        // catch all so we serve index on /stats
        app.get('*', (req, res) => {
            res.sendFile(path.join(__dirname, '../index.html'));
        });

        app.listen(
            port,
            function() {
                console.log('Express server listening on port %d', port);
            }
        );

    })

export const getDefaultSettings = (app: Application, other?: Partial<OauthSetupSettings>) => {
  const defaults: OauthSetupSettings = {
    authService: app.get('defaultAuthentication'),
    linkStrategy: 'jwt',
    expressSession: session({
      secret: Math.random().toString(36).substring(7),
      saveUninitialized: true,
      resave: true
    }),
    ...other
  };

  return defaults;
};

  /**
   * This method let you configure the middleware required by your application to works.
   * @returns {Server}
   */
  public $onMountingMiddlewares(): void {
    const cookieParser = require("cookie-parser"),
      bodyParser = require("body-parser"),
      compress = require("compression"),
      methodOverride = require("method-override"),
      expressSession = require("express-session");

    this.use(TestAcceptMimeMiddleware)
      .use(bodyParser.json())
      .use(
        bodyParser.urlencoded({
          extended: true
        })
      )
      .use(cookieParser())
      .use(compress({}))
      .use(methodOverride());

    this.engine(".html", require("ejs").__express)
      .set("views", `${rootDir}/views`)
      .set("view engine", "html");

    this.set("trust proxy", 1);
    this.use(
      expressSession({
        secret: "keyboard cat",
        resave: false,
        saveUninitialized: true,
        cookie: {}
      })
    );

    this.use(InitSessionMiddleware);
  }

  $onMountingMiddlewares(): void | Promise<any> {
    this
      .use(GlobalAcceptMimesMiddleware)
      .use(cookieParser())
      .use(compress({}))
      .use(methodOverride())
      .use(bodyParser.json())
      .use(bodyParser.urlencoded({
        extended: true
      }))
      .use(session({
        secret: "mysecretkey",
        resave: true,
        saveUninitialized: true,
        maxAge: 36000,
        cookie: {
          path: "/",
          httpOnly: true,
          secure: false,
          maxAge: null
        }
      }));

    return null;
  }

function setupSession(app: express.Express, config: IExpressConfig) {
  // tslint:disable-next-line: variable-name
  const RedisStore = connectRedis(expressSession);
  const redis_client = redis.createClient(config.redis_port || 6379, config.redis_host || '127.0.0.1');
  const session_store = new RedisStore({
    client: redis_client,
    pass: config.redis_password,
    ttl: config.session_ttl,
  });
  session_store.on('disconnect', () => {
    console.log('RedisStore for express is disconnected. Exit the process...');
    setTimeout(() => {
      process.exit(0);
    }, 1000);
  });
  app.use(expressSession({
    cookie: {
      domain: config.session_domain,
      maxAge: config.session_ttl * 1000,
    },
    name: config.session_name,
    resave: true, // session expire를 초기로 돌리기 위해서 매번 다시 저장한다
    saveUninitialized: config.session_save_uninitialized || false,
    secret: config.session_secret,
    store: session_store,
  }));
}

module.exports = function (app) {
    app.use(session({
        secret: '123456789',
        resave: false,
        saveUninitialized: true
    }));
    app.post('/admin/login', function (req, res) {
        admin.isAdmin(req.body.username, req.body.password).then(function (result) {
            var loginResult:Object;
            if (result.success) {
                req.session.hash = (!_.isUndefined(result.isSuperAdmin)) ? 'superAdmin' : result.hash;
                loginResult = { success: true, sessionId: req.sessionID };
            } else {
                req.session.destroy();
                loginResult = { success: false };
            }
            res.json(loginResult);
        });
    });
    app.get('/admin/checkAdminIsLogin', function (req, res) {
        var loginResult = (!_.isUndefined(req.query.sessionId) && req.query.sessionId == req.sessionID);
        res.json({ success: loginResult });
    });
    app.get('/admin/checkIsSuperAdmin', function (req, res) {
        res.json({
            success: !_.isUndefined(req.query.sessionId)
            && req.query.sessionId == req.sessionID
            && req.session.hash == 'superAdmin'
        });
    });
};

module.exports = function(app) {

    var env = config.env;

    app.set('view engine', 'html');
    app.use(bodyParser.urlencoded({ extended: false }));
    app.use(bodyParser.json());
    app.use(compression());
    app.use(morgan('dev')); 
    app.use(passport.initialize()); 
    app.use(express.static(path.join(config.root, 'client')));
    app.set('appPath', 'client'); 

    app.use(session({
        secret: config.secrets.session,
        resave: true,
        saveUninitialized: true,
        store: new mongoStore({ mongooseConnection: mongoose.connection })
    })); 

    if (env === 'development' || env === 'test') {
        app.use(require('errorhandler')());
    }

};

        constructor() {

            var express = require('express'),
                logger = require('morgan'),
                session = require('express-session')

            var Grant = require('grant-express'),
                grant = new Grant(require('./server/OAuthConfigure.json'))

            var app = express()
            app.use(logger('dev'))

            // REQUIRED:
            app.use(session({
                    secret: 'very secret'
                }))
                // mount grant
            app.use(grant)

            app.get('/handle_visualstudio_callback', function(req, res) {
                console.log(req.query)
                res.end(JSON.stringify(req.query, null, 2))
            });

            this.setupHttpServer(app);
        }

export const enableSessions = (app: any, io: SocketIO.Server) => {
  const MongoStore = ConnectMongo(expressSession);
  const s = expressSession({
    store: new MongoStore({ mongooseConnection: MongooseClient.getConnection() }),
    secret: MajavashakkiSessionSecret,
    resave: false,
    saveUninitialized: true,
  });

  app.use(s);
  io.use(socketIoSession(s, {autoSave: true}));
};

 public getSession(mongooseConnection, mongoStore) {
     return expressSession({
         cookie: {
             maxAge: 20 * 365 * 24 * 60 * 60 * 1000
         },
         resave: false,
         saveUninitialized: true,
         secret: process.env.SESSION_SECRET,
         store: new mongoStore({
             collection : 'loginSession',
             mongooseConnection: mongooseConnection,
         }),
     });
 }