app.js

const express = require('express');
const fs = require('fs');
const path = require('path');

const app = express();
const port = 7860;
const imageFolderPath = path.join(__dirname, 'api');

app.get('/', (req, res) => {
 res.send('api');
});

app.get('/r18', (req, res) => {
 const r18FolderPath = path.join(__dirname, 'api', 'r18');
 const images = fs.readdirSync(r18FolderPath);
 const randomImage = getRandomImage(images);
 res.sendFile(path.join(r18FolderPath, randomImage));
});

function getRandomImage(images) {
 const randomIndex = Math.floor(Math.random() * images.length);
 return images[randomIndex];
}

app.listen(port, () => {
 console.log(`App listening on port ${port}!`);
});