diff --git a/server/src/index.ts b/server/src/index.ts
index 6a18126..1de0e9b 100644
--- a/server/src/index.ts
+++ b/server/src/index.ts
@@ -42,6 +42,25 @@ const stopPoller = startStatusPoller(
 
 app.addHook('onClose', async () => stopPoller());
 
+// As container PID 1, an unhandled SIGTERM may be ignored. Explicitly close
+// HTTP, the status poller, relay pool and SQLite before normal termination.
+let closing = false;
+const shutdown = () => {
+  if (closing) return;
+  closing = true;
+  const deadline = setTimeout(() => process.exit(1), 10_000);
+  deadline.unref();
+  void app.close().then(() => {
+    clearTimeout(deadline);
+    process.exit(0);
+  }, (error) => {
+    app.log.error(error);
+    process.exit(1);
+  });
+};
+process.on('SIGTERM', shutdown);
+process.on('SIGINT', shutdown);
+
 try {
   await app.listen({ port: config.PORT, host: config.HOST });
 } catch (err) {