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index.js
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index.js
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/**
* @requires express
* @requires express-session
* @requires userRouter
* @requires body-parser
* @requires dotenv
* @requires mongoose
*/
/**
* Used port.
*/
const port = 3001;
/**
* UserRouter module
*/
const userRouter = require('./routes/userRouter');
/**
* Express module
* @const
* @source https://expressjs.com/en/api.html
*/
const express = require('express');
const app = express();
/**
* Express-session module
* @const
* @source https://github.com/expressjs/session
*/
const session = require('express-session');
/**
* Dotenv module
* @source https://github.com/motdotla/dotenv
*/
require('dotenv').config();
/**
* Body-parser module
* @const
* @source https://github.com/expressjs/body-parser
*/
const bodyParser = require('body-parser');
/**
* Mongoose module
* @const
* @source https://github.com/Automattic/mongoose
*/
const mongoose = require('mongoose');
/**
* Set view engine and include static folder.
*/
app.set('view engine', 'ejs');
app.use(express.static(__dirname + '/public'));
/**
* Set express-session along with it's secret.
*/
app.use(
session({
secret: process.env.SESSION_SECRET,
resave: false,
saveUninitialized: true,
}),
);
/**
* Set body-parser middleware.
*/
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({extended: false}));
/**
* Set mongoose along with it's preferd settings.
*/
mongoose.set('useNewUrlParser', true);
mongoose.set('useFindAndModify', false);
mongoose.set('useCreateIndex', true);
mongoose.set('useUnifiedTopology', true);
mongoose.connect(process.env.DB_URL);
/**
* Set router
*/
app.use('/', userRouter);
/**
* Listen to port
*/
app.listen(port);