implement redis cache for context

src/Redis/redis.module.ts

@@ -0,0 +1,15 @@
+import { Global, Module } from '@nestjs/common';
+
+import { RedisService } from './redis.service';
+
+@Global()
+@Module({
+  providers: [
+    {
+      provide: 'REDIS_CLIENT',
+      useClass: RedisService,
+    },
+  ],
+  exports: ['REDIS_CLIENT'],
+})
+export class RedisModule {}