68 lines
2.0 KiB
JavaScript
68 lines
2.0 KiB
JavaScript
// 轻量静态文件 + API 代理服务器
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// PM2 启动: node serve-proxy.js
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const http = require('http');
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const fs = require('fs');
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const path = require('path');
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const PORT = process.env.FRONTEND_PORT || 5173;
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const API_TARGET = process.env.API_TARGET || 'http://127.0.0.1:3000';
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const STATIC_DIR = path.join(__dirname, 'apps/admin/dist');
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const MIME = {
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'.html': 'text/html; charset=utf-8',
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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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};
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function serveStatic(res, filePath) {
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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 content = fs.readFileSync(filePath);
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res.writeHead(200, { 'Content-Type': mime, 'Cache-Control': ext === '.html' ? 'no-cache' : 'public, max-age=604800' });
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res.end(content);
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} catch {
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// SPA fallback: return index.html
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const index = fs.readFileSync(path.join(STATIC_DIR, 'index.html'));
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res.writeHead(200, { 'Content-Type': 'text/html; charset=utf-8' });
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res.end(index);
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}
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}
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const server = http.createServer((req, res) => {
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// API 代理
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if (req.url.startsWith('/api/')) {
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const opts = {
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hostname: '127.0.0.1',
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port: 3000,
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path: req.url,
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method: req.method,
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headers: { ...req.headers, host: '127.0.0.1:3000' },
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};
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const proxy = http.request(opts, (proxyRes) => {
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res.writeHead(proxyRes.statusCode, proxyRes.headers);
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proxyRes.pipe(res);
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});
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proxy.on('error', () => {
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res.writeHead(502);
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res.end('API unavailable');
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});
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req.pipe(proxy);
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return;
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}
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// 静态文件
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const urlPath = req.url === '/' ? '/index.html' : req.url.split('?')[0];
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const safePath = path.normalize(urlPath).replace(/^(\.\.(\/|\\|$))+/, '');
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serveStatic(res, path.join(STATIC_DIR, safePath));
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});
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server.listen(PORT, () => {
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process.stdout.write(`Frontend proxy running on http://0.0.0.0:${PORT} → API: ${API_TARGET}\n`);
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});
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