text: var createError = require('http-errors');
  var express = require('express');
  var path = require('path');
  var cookieParser = require('cookie-parser');
  var logger = require('morgan');
  
  var indexRouter = require('./routes/index');
  var usersRouter = require('./routes/users');
  
  var app = express();
  
  // view engine setup
  app.engine('html', require('hogan-express'));
  app.set('views', path.join(__dirname, 'views'));
  // app.set('view engine', 'pug');
  
  app.set('view engine', 'html');
  app.use(logger('dev'));
  app.use(express.json());
  app.use(express.urlencoded({ extended: false }));
  app.use(cookieParser());
  app.use('/static', express.static(path.join(__dirname, '/public')));
  
  app.use('/', indexRouter);
  app.use('*', indexRouter);
  
  
  // 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;