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fix(server): allow Railway's healthcheck Host header #7

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Merged
harrymove-ctrl merged 1 commit into from
Jul 31, 2026
Merged

fix(server): allow Railway's healthcheck Host header #7

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6 changes: 6 additions & 0 deletions apps/server/src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -65,6 +65,12 @@ function isAllowedHost(hostHeader: string | undefined): boolean {

const allowedHostnames = new Set(['localhost', '127.0.0.1', '[::1]']);
if (isCloud) {
// Railway's own internal healthcheck probe - sent with this fixed Host
// regardless of the service's actual public domain. Without it, Railway
// can never see this deployment as healthy and rolls back to the last
// one that could - this rule shipped once and immediately took down every
// deploy after it.
allowedHostnames.add('healthcheck.railway.app');
for (const domain of [process.env.RAILWAY_PUBLIC_DOMAIN, process.env.RAILWAY_STATIC_URL]) {
if (domain) allowedHostnames.add(domain.replace(/^https?:\/\//, ''));
}
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