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https://github.com/NousResearch/hermes-agent.git
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d932980c1a
Index codebases with GitNexus and serve an interactive knowledge graph web UI via Cloudflare tunnel. No sudo required. Includes: - Full setup/build/serve/tunnel pipeline - Zero-dependency Node.js reverse proxy script - Pitfalls section covering cloudflared config conflicts, Vite allowedHosts, Claude Code artifact cleanup, and browser memory limits for large repos
92 lines
2.7 KiB
JavaScript
92 lines
2.7 KiB
JavaScript
/**
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* GitNexus reverse proxy — serves production web UI + proxies /api/* to backend.
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* Zero dependencies, Node.js built-ins only.
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*
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* Usage: node proxy.mjs <dist-dir> [port]
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* dist-dir: path to gitnexus-web/dist (production build)
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* port: listen port (default: 8888)
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*
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* Environment:
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* API_PORT: GitNexus serve backend port (default: 4747)
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*/
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import http from 'node:http';
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import fs from 'node:fs';
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import path from 'node:path';
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const API_PORT = parseInt(process.env.API_PORT || '4747');
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const DIST_DIR = process.argv[2] || './dist';
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const PORT = parseInt(process.argv[3] || '8888');
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const MIME = {
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'.html': 'text/html',
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'.js': 'application/javascript',
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'.css': 'text/css',
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'.json': 'application/json',
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'.png': 'image/png',
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'.svg': 'image/svg+xml',
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'.ico': 'image/x-icon',
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'.woff2': 'font/woff2',
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'.woff': 'font/woff',
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'.wasm': 'application/wasm',
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'.ttf': 'font/ttf',
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'.map': 'application/json',
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};
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function proxyToApi(req, res) {
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const opts = {
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hostname: '127.0.0.1',
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port: API_PORT,
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path: req.url,
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method: req.method,
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headers: { ...req.headers, host: `127.0.0.1:${API_PORT}` },
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};
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const proxy = http.request(opts, (upstream) => {
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res.writeHead(upstream.statusCode, upstream.headers);
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upstream.pipe(res, { end: true });
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});
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proxy.on('error', () => {
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res.writeHead(502, { 'Content-Type': 'text/plain' });
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res.end('GitNexus backend unavailable — is `npx gitnexus serve` running?');
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});
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req.pipe(proxy, { end: true });
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}
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function serveStatic(req, res) {
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const urlPath = req.url.split('?')[0];
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let filePath = path.join(DIST_DIR, urlPath === '/' ? 'index.html' : urlPath);
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// SPA fallback: if file doesn't exist and isn't a static asset, serve index.html
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if (!fs.existsSync(filePath) && !path.extname(filePath)) {
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filePath = path.join(DIST_DIR, 'index.html');
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}
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const ext = path.extname(filePath);
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const mime = MIME[ext] || 'application/octet-stream';
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try {
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const data = fs.readFileSync(filePath);
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res.writeHead(200, {
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'Content-Type': mime,
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'Cache-Control': ext === '.html' ? 'no-cache' : 'public, max-age=86400',
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});
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res.end(data);
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} catch {
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res.writeHead(404, { 'Content-Type': 'text/plain' });
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res.end('Not found');
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}
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}
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const server = http.createServer((req, res) => {
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if (req.url.startsWith('/api')) {
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proxyToApi(req, res);
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} else {
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serveStatic(req, res);
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}
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});
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server.listen(PORT, () => {
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console.log(`GitNexus proxy listening on http://localhost:${PORT}`);
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console.log(` Web UI: http://localhost:${PORT}/`);
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console.log(` API: http://localhost:${PORT}/api/repos`);
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console.log(` Backend: http://127.0.0.1:${API_PORT}`);
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});
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