text: var createError = require('http-errors');
  var express = require('express');
  var path = require('path');
  var cookieParser = require('cookie-parser');
  var logger = require('morgan');
  var sassMiddleware = require('node-sass-middleware');
  
  var indexRouter = require('./routes/index');
  var usersRouter = require('./routes/users');
  var accessRouter = require('./routes/access');
  
  var app = express();
  
  // view engine setup
  app.set('views', path.join(__dirname, 'views'));
  app.set('view engine', 'jade');
  
  app.use(logger('dev'));
  app.use(express.json());
  app.use(express.urlencoded({ extended: false }));
  app.use(cookieParser());
  app.use(sassMiddleware({
    src: path.join(__dirname, 'public'),
    dest: path.join(__dirname, 'public'),
    indentedSyntax: true, // true = .sass and false = .scss
    sourceMap: true
  }));
  app.use(express.static(path.join(__dirname, 'public')));
  
  app.use('/', indexRouter);
  app.use('/users', usersRouter);
  app.use('/access', accessRouter);
  
  // catch 404 and forward to error handler
  app.use(function(req, res, next) {
    next(createError(404));
  });
  
  // error handler
  app.use(function(err, req, res, next) {
    // set locals, only providing error in development
    res.locals.message = err.message;
    res.locals.error = req.app.get('env') === 'development' ? err : {};
  
    // render the error page
    res.status(err.status || 500);
    res.render('error');
  });
  
  module.exports = app;
  