express-request-proxy

const express = require('express'); const redis = require('redis'); const requestProxy = require('express-request-proxy'); require('redis-streams')(redis); // Extend redis client with streams functionality const app = express(); const port = 3000; // Create a Redis client for caching const redisClient = redis.createClient(); redisClient.on('error', (err) => console.error('Redis Client Error', err)); // Connect to Redis (async operation) async function connectRedis() { await redisClient.connect(); console.log('Connected to Redis'); } connectRedis(); app.get( '/api/:resource/:id', requestProxy({ cache: redisClient, // Use the connected Redis client cacheMaxAge: 60, // Cache for 60 seconds url: 'https://jsonplaceholder.typicode.com/:resource/:id', // Example public API query: { api_key: process.env.SOMEAPI_SECRET_KEY ?? 'demo-key' // Inject sensitive key from env }, headers: { 'X-Custom-Auth': process.env.SOMEAPI_CUSTOM_HEADER ?? 'secret-value' // Inject custom header } }) ); app.get('/', (req, res) => { res.send('Proxy server running. Try /api/posts/1 or /api/users/2'); }); app.listen(port, () => { console.log(`Proxy server listening at http://localhost:${port}`); console.log('Test with: curl http://localhost:3000/api/posts/1'); });