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fix: increase Node keepAliveTimeout behind reverse proxies to prevent 502s

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- Set server.keepAliveTimeout to 185s to safely outlive default Traefik/AWS ALB idle timeouts (typically 60-180s)
- Resolves random "Failed to fetch" edge cases caused by Node.js's notoriously short 5s default timeout
Closes #3008
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Khairul 2026-04-07 12:56:10 +08:00 • committed by GitHub
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commit e2962e6528
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6
server/src/index.ts
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@ -542,6 +542,12 @@ export async function startServer(): Promise<StartedServer> {
resolveSession, resolveSession,
}); });
const server = createServer(app as unknown as Parameters<typeof createServer>[0]); const server = createServer(app as unknown as Parameters<typeof createServer>[0]);
// Increase keep-alive timeouts to safely outlive default idle timeouts
// of common reverse proxies and load balancers (like AWS ALB, Nginx, or Traefik).
// This prevents intermittent 502/ECONNRESET errors caused by Node's 5s default.
server.keepAliveTimeout = 185000;
server.headersTimeout = 186000;
if (listenPort !== config.port) { if (listenPort !== config.port) {
logger.warn(`Requested port is busy; using next free port (requestedPort=${config.port}, selectedPort=${listenPort})`); logger.warn(`Requested port is busy; using next free port (requestedPort=${config.port}, selectedPort=${listenPort})`);