handle SIGHUP exit code

backend/src/index.ts

@@ -92,7 +92,7 @@ class Server {
     logger.notice(`Starting Mempool Server${worker ? ' (worker)' : ''}... (${backendInfo.getShortCommitHash()})`);
 
     // Register cleanup listeners for exit events
-    ['exit', 'SIGINT', 'SIGTERM', 'SIGUSR1', 'SIGUSR2', 'uncaughtException', 'unhandledRejection'].forEach(event => {
+    ['exit', 'SIGHUP', 'SIGINT', 'SIGTERM', 'SIGUSR1', 'SIGUSR2', 'uncaughtException', 'unhandledRejection'].forEach(event => {
       process.on(event, () => { this.onExit(event); });
     });