first (part 3: src directory)

src/common/queues/queue.module.ts

@@ -0,0 +1,31 @@
+import { Module, Global } from '@nestjs/common';
+import { BullModule } from '@nestjs/bullmq';
+import { ConfigModule, ConfigService } from '@nestjs/config';
+
+@Global()
+@Module({
+  imports: [
+    BullModule.forRootAsync({
+      imports: [ConfigModule],
+      useFactory: (configService: ConfigService) => ({
+        connection: {
+          host: configService.get('redis.host', 'localhost'),
+          port: configService.get('redis.port', 6379),
+          password: configService.get('redis.password'),
+        },
+        defaultJobOptions: {
+          attempts: 3,
+          backoff: {
+            type: 'exponential',
+            delay: 1000,
+          },
+          removeOnComplete: true,
+          removeOnFail: false,
+        },
+      }),
+      inject: [ConfigService],
+    }),
+  ],
+  exports: [BullModule],
+})
+export class QueueModule {}