Add Gitea webhook auto-deploy: webhook receiver plus server.js proxy route

server.js

@@ -8,6 +8,7 @@ const PORT = 80;
 const BACKEND = process.env.BACKEND_URL || 'http://publish-backend:8080';
 const STATIC_DIR = '/app/dist';
 const UPLOADS_DIR = '/app/uploads';
+const WEBHOOK_HOST = process.env.WEBHOOK_HOST || 'host.docker.internal:5000';
 
 const MIME_TYPES = {
   '.html': 'text/html',
@@ -93,6 +94,40 @@ function proxyRequest(req, res) {
   }
 }
 
+function proxyWebhook(req, res) {
+  // Forward /webhook requests to the Python webhook receiver on NAS host
+  const targetUrl = `http://${WEBHOOK_HOST}${req.url}`;
+  const parsedUrl = url.parse(req.url);
+  const options = {
+    hostname: url.parse(targetUrl).hostname,
+    port: url.parse(targetUrl).port || 80,
+    path: req.url,
+    method: req.method,
+    headers: {}
+  };
+
+  ['content-type', 'authorization', 'x-gitea-secret', 'x-gitea-event', 'user-agent', 'host'].forEach(h => {
+    const key = h.toLowerCase();
+    if (req.headers[key]) options.headers[h] = req.headers[key];
+  });
+
+  const proxyReq = http.request(options, (proxyRes) => {
+    res.writeHead(proxyRes.statusCode, proxyRes.headers);
+    proxyRes.pipe(res);
+  });
+
+  proxyReq.on('error', (e) => {
+    res.writeHead(502);
+    res.end('Webhook receiver error: ' + e.message);
+  });
+
+  if (['POST', 'PUT', 'DELETE'].includes(req.method)) {
+    req.pipe(proxyReq);
+  } else {
+    proxyReq.end();
+  }
+}
+
 const server = http.createServer((req, res) => {
   // CORS headers
   res.setHeader('Access-Control-Allow-Origin', '*');
@@ -104,7 +139,10 @@ const server = http.createServer((req, res) => {
     return;
   }
 
-  if (req.url.startsWith('/api') || req.url.startsWith('/uploads')) {
+  if (req.url.startsWith('/webhook')) {
+    // Proxy to webhook receiver running on NAS host (host.docker.internal:5000)
+    proxyWebhook(req, res);
+  } else if (req.url.startsWith('/api') || req.url.startsWith('/uploads')) {
     proxyRequest(req, res);
   } else {
     serveStatic(req, res);