microservices/proxy-service/server.js

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2025-05-01 10:55:40 -07:00
const express = require('express');
const { createProxyMiddleware } = require('http-proxy-middleware');
const app = express();
const port = 8080;
// Middleware to handle dynamic IPv6 proxying
app.use('/:ipv6', (req, res, next) => {
const ipv6 = req.params.ipv6;
// Validate or sanitize the IPv6 if needed
const targetUrl = `http://[${ipv6}]:8000`;
console.log(`Proxying request to: ${targetUrl}`);
// Create and attach the proxy middleware *once per request*
const proxy = createProxyMiddleware({
target: targetUrl,
changeOrigin: true,
logLevel: 'debug',
// pathRewrite: {
// [`^/${ipv6}`]: '/', // Send to root of the target
// },
onError(err, req, res) {
console.error('Proxy error:', err.message);
res.status(502).send('Bad Gateway: Failed to connect to target');
}
});
return proxy(req, res, next);
});
app.listen(port, '0.0.0.0', () => {
console.log(`Proxy server listening on http://0.0.0.0:${port}`);
});