updated the whole structure

app-rappaurio/app.js

@@ -0,0 +1,63 @@
+var createError = require('http-errors');
+var express = require('express');
+var path = require('path');
+var cookieParser = require('cookie-parser');
+var logger = require('morgan');
+const mysql = require('mysql');
+const dotenv = require('dotenv'); 
+
+var app = express();
+
+dotenv.config({ path : './.env'})
+
+// Create database connection
+const db = mysql.createConnection({
+  host: process.env.DATABASE_HOST, 
+  user: process.env.DATABASE_USER,
+  password: process.env.DATABASE_PASSWORD, 
+  database: process.env.DATABASE 
+});
+
+
+// Connecting our databse and checking everything works fine
+db.connect( (error)=>{
+  if(error){
+      console.log(error)
+  }
+  else{
+      console.log("MySQL database connected...")
+  }
+})
+
+// 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(express.urlencoded({ extended: false }));
+app.use(cookieParser());
+app.use(express.static(path.join(__dirname, 'public')));
+
+// Define Routes
+app.use('/', require('./server/routes/index')); 
+app.use('/auth', require('./server/routes/auth'));
+
+
+// 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('contains/404');
+});
+
+module.exports = app;