54 lines
1.9 KiB
JavaScript
54 lines
1.9 KiB
JavaScript
import express from 'express';
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import path from 'node:path';
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import helmet from 'helmet';
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import cors from 'cors';
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import fetch from 'node-fetch';
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import { fileURLToPath } from 'node:url';
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const __filename = fileURLToPath(import.meta.url);
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const __dirname = path.dirname(__filename);
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const app = express();
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const PORT = Number(process.env.PORT) || 3000;
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const HOST = process.env.HOST || '0.0.0.0';
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const RUST_ENGINE_BASE =
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process.env.RUST_ENGINE_BASE ||
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process.env.RUST_ENGINE_URL ||
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'http://rust-engine:8000';
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app.set('trust proxy', true);
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app.use(helmet({ contentSecurityPolicy: false }));
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app.use(cors());
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app.use(express.json());
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app.get('/api/healthz', (_req, res) => {
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res.json({ status: 'ok', upstream: RUST_ENGINE_BASE });
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});
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// Proxy minimal API needed by the UI to the rust-engine container
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app.post('/api/files/import-demo', async (req, res) => {
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try {
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const qs = req.url.includes('?') ? req.url.substring(req.url.indexOf('?')) : '';
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const url = `${RUST_ENGINE_BASE}/api/files/import-demo${qs}`;
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const upstream = await fetch(url, { method: 'POST', headers: { 'content-type': 'application/json' }, body: req.body ? JSON.stringify(req.body) : undefined });
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const text = await upstream.text();
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res.status(upstream.status).type(upstream.headers.get('content-type') || 'application/json').send(text);
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} catch (err) {
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console.error('import-demo proxy failed:', err);
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res.status(502).json({ error: 'proxy_failed' });
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}
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});
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// Serve static frontend
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const distDir = path.resolve(__dirname, 'dist');
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app.use(express.static(distDir));
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// SPA fallback (Express 5 requires middleware instead of bare '*')
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app.use((req, res) => {
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res.sendFile(path.join(distDir, 'index.html'));
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});
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app.listen(PORT, HOST, () => {
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console.log(`Web app server listening on http://${HOST}:${PORT}`);
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console.log(`Proxying to rust engine at ${RUST_ENGINE_BASE}`);
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});
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