bugfix(core): fix hanging process (add process.exit - lifecycle hook)

Author: kamilmysliwiec

packages/core/constants.ts

@@ -18,7 +18,6 @@ export const SHUTDOWN_SIGNALS = [
   'SIGABRT',
   'SIGBUS',
   'SIGFPE',
-  'SIGUSR1',
   'SIGSEGV',
   'SIGUSR2',
   'SIGTERM',

packages/core/nest-application-context.ts

@@ -1,17 +1,17 @@
 import { INestApplicationContext, Logger, LoggerService } from '@nestjs/common';
 import { Type } from '@nestjs/common/interfaces/type.interface';
+import { SHUTDOWN_SIGNALS } from './constants';
 import { UnknownModuleException } from './errors/exceptions/unknown-module.exception';
-import { NestContainer } from './injector/container';
-import { ContainerScanner } from './injector/container-scanner';
-import { Module } from './injector/module';
-import { ModuleTokenFactory } from './injector/module-token-factory';
 import {
-  callModuleInitHook,
+  callAppShutdownHook,
   callModuleBootstrapHook,
   callModuleDestroyHook,
-  callAppShutdownHook,
+  callModuleInitHook,
 } from './hooks';
-import { SHUTDOWN_SIGNALS } from './constants';
+import { NestContainer } from './injector/container';
+import { ContainerScanner } from './injector/container-scanner';
+import { Module } from './injector/module';
+import { ModuleTokenFactory } from './injector/module-token-factory';
 
 export class NestApplicationContext implements INestApplicationContext {
   private readonly moduleTokenFactory = new ModuleTokenFactory();
@@ -74,9 +74,10 @@ export class NestApplicationContext implements INestApplicationContext {
 
   protected listenToShutdownSignals() {
     SHUTDOWN_SIGNALS.forEach((signal: any) =>
-      process.on(signal, async () => {
+      process.on(signal, async code => {
         await this.callDestroyHook();
         await this.callShutdownHook(signal);
+        process.exit(code || 1);
       }),
     );
   }