add capability to configure server timeouts

.env

@@ -15,3 +15,6 @@ POSTGRES_DB=vrt_db_dev
 # optional
 #HTTPS_KEY_PATH='./secrets/ssl.key'
 #HTTPS_CERT_PATH='./secrets/ssl.cert'
+#SERVER_TIMEOUT=120000
+#SERVER_HEADERS_TIMEOUT=60000
+#SERVER_KEEP_ALIVE_TIMEOUT=5000

src/app.module.ts

@@ -1,4 +1,5 @@
 import { CacheInterceptor, CacheModule, Module } from '@nestjs/common';
+import { AppService } from './app.service';
 import { AuthModule } from './auth/auth.module';
 import { UsersModule } from './users/users.module';
 import { BuildsModule } from './builds/builds.module';
@@ -29,6 +30,7 @@ import { HealthController } from './health/health.controller';
     CompareModule,
   ],
   providers: [
+    AppService,
     PrismaService,
     {
       provide: APP_FILTER,

src/app.service.spec.ts

@@ -0,0 +1,25 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { AppService } from './app.service';
+import { ConfigService } from '@nestjs/config';
+
+describe('AppService', () => {
+  let service: AppService;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [
+        AppService,
+        {
+          provide: ConfigService,
+          useValue: {},
+        },
+      ],
+    }).compile();
+
+    service = module.get<AppService>(AppService);
+  });
+
+  it('should be defined', () => {
+    expect(service).toBeDefined();
+  });
+});

src/app.service.ts

@@ -0,0 +1,25 @@
+import { Inject, Injectable, Logger, OnApplicationBootstrap } from '@nestjs/common';
+import { HttpAdapterHost } from '@nestjs/core';
+import { ConfigService } from '@nestjs/config';
+import { Server } from 'http';
+
+@Injectable()
+export class AppService implements OnApplicationBootstrap {
+  private readonly logger: Logger = new Logger(AppService.name);
+
+  constructor(
+    private readonly refHost: HttpAdapterHost<any>,
+    @Inject(ConfigService) private configService: ConfigService
+  ) {}
+
+  onApplicationBootstrap() {
+    const server: Server = this.refHost.httpAdapter.getHttpServer();
+    const { timeout, headersTimeout, keepAliveTimeout } = server;
+    server.timeout = parseInt(this.configService.get('SERVER_TIMEOUT', timeout.toString()));
+    this.logger.log(`server.timeout is ${server.timeout}`);
+    server.headersTimeout = parseInt(this.configService.get('SERVER_HEADERS_TIMEOUT', headersTimeout.toString()));
+    this.logger.log(`server.headersTimeout is ${server.headersTimeout}`);
+    server.keepAliveTimeout = parseInt(this.configService.get('SERVER_KEEP_ALIVE_TIMEOUT', keepAliveTimeout.toString()));
+    this.logger.log(`server.keepAliveTimeout is ${server.keepAliveTimeout}`);
+  }
+}