app.js

require('dotenv').config();
const createError = require('http-errors');
const express = require('express');
const path = require('path');
const cookieParser = require('cookie-parser');
const multer = require('multer');
const compression = require('compression');
const logger = require('morgan');
const bodyParser = require('body-parser');
const fs = require('fs');

const {mongoose} = require('./config/database');
const router = require('./routes/index');

const corsConfig = require('./config/config').cors;
const errorHandler = require('./config/config').error;
const multerConfig = require('./config/config');

const app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'hbs');

app.use(logger('dev'));
//app.use(express.json());
app.use(bodyParser.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(compression());
app.use(express.static(path.join(__dirname, 'public')));

app.use(
  multer({
    storage: multerConfig.fileStorage,
    fileFilter: multerConfig.fileFilter,
  }).single('image'),
);
app.use('/images', express.static(path.join(__dirname, 'images')));

app.use(corsConfig);

app.use('/', router);

app.use(errorHandler);

// 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;