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app.js
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app.js
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const express = require('express')
const dotenv = require('dotenv')
const colors = require('colors')
const morgan = require('morgan')
const errorHandler = require('./middlewares/error')
const connectDb = require('./database/db')
const fileupload = require('express-fileupload')
const path = require('path')
const cookieParser = require('cookie-parser')
const mongoSanitize = require('express-mongo-sanitize')
const helmet = require('helmet')
const xss = require('xss-clean')
const rateLimit = require('express-rate-limit')
const hpp = require('hpp')
const cors = require('cors')
//app variables
const app = express()
app.use(express.json())
//DOT ENV
dotenv.config({path: './config/config.env'})
//connect to database
connectDb()
// Cookie middleware
app.use(cookieParser())
//morgan middlewares
if(process.env.NODE_ENV === 'production'){
app.use(morgan('dev'))
}
//FILE UPLOADING
app.use(fileupload())
//SANITIZE DATA TO PREVENT SQL INJECTION
app.use(mongoSanitize())
//SET SECURITY HEADERS
app.use(helmet())
//PREVENT CROSS SITE SCRIPTING
app.use(xss())
//Rate limiting
const limiter = rateLimit({
windowMs:10 * 60 * 1000, //10 mins
max:100
})
app.use(limiter)
//prevent HPP attack
app.use(hpp())
// ENABLE CORS
app.use(cors())
//SET STATIC FOLDER
app.use(express.static(path.join(__dirname, 'public')))
//bring in routes
const shelf = require('./routes/shelf')
const material = require('./routes/materials')
const auth = require('./routes/auth')
const user = require('./routes/user')
//mount routes
app.use('/api/v1/shelf', shelf)
app.use('/api/v1/material', material)
app.use('/api/v1/auth', auth)
app.use('/api/v1/user', user)
//errorHandler
app.use(errorHandler)
const PORT = process.env.PORT
//server
const server = app.listen(PORT, () => {
console.log(`Server started on Port: ${PORT}`.brightYellow.bold)
})
//handle rejected promise
process.on('unhandledRejection', (err, promise) => {
//log the error to the console
console.log(`Error: ${err.message}`.yellow.bold)
//crash the server
server.close(() => process.exit(1))
})