app.js

const createError = require('http-errors');
const express = require('express');
const path = require('path');
const cookieParser = require('cookie-parser');
const favicon = require('serve-favicon');
const logger = require('morgan');
const swagger = require('swagger-ui-express');
const doc = require('./config/.swagger');

const indexRouter = require('./routes/index');
const apiRouters = require('./routes/api');

const app = express();

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(express.static(path.join(__dirname, 'public')));
app.use(favicon(path.join(__dirname, 'public', 'images', 'favicon.ico')));

app.use('/', indexRouter);
app.use('/documentation', swagger.serve, swagger.setup(doc));
app.use('/api', apiRouters);
app.use('*', (req, res) => res.redirect('/'));

app.use(function(req, res, next) {
  next(createError(404));
});

app.use(function(err, req, res, next) {
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;