app.js

/* eslint-disable no-undef */

const express = require('express');
const path = require('path');
const cookieParser = require('cookie-parser');
const logger = require('morgan');
const rateLimit = require('express-rate-limit');
const favicon = require('serve-favicon');
const fileUpload = require('express-fileupload');
const cors = require('cors');
const helmet = require('helmet');

const memesRoutes = require('./routes/v1/routes');
const port = process.env.PORT || 6969;

const app = express();

app.use(favicon(path.join(__dirname, 'favicon.ico')));
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

// --| Enable CORS for all requests
app.use(cors());

// --| Enable Helmet to secure the API a bit
app.use(helmet());

// --| Need this set for Heroku
app.set('trust proxy', 1);

// --| Limit the API for 50 requests per IP every minute
const APILimiter = rateLimit({
    windowMs: 60000,
    max: 65,
    skipFailedRequests: true,
    message: {
        status: 429,
        message: 'Too many requests! Stop spamming 😡'
    }
});

app.use(fileUpload({ createParentPath: true }));
app.use('/api/', APILimiter);
app.use('/api/v1', memesRoutes.router);

// --| 404 Response
// eslint-disable-next-line no-unused-vars
app.use((req, res, next) => res.status(404).json({
    status: 404,
    message: 'Sorry, can\'t access the endpoint you are looking for 👀. Is it POST or GET 🤔 ?'
}));

// --| Log the info on server startup
// eslint-disable-next-line no-console
app.listen(port, () => console.log(`🖥️  Server runs and is listening on port \x1b[34m${port}\x1b[0m.`));

module.exports = app;