Create app.js

app.js

@@ -0,0 +1,27 @@
+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}!`);
+});