redis-cache.module.ts

import { Module, CacheModule } from '@nestjs/common';
import { ConfigModule, ConfigService } from '@nestjs/config';
import * as redisStore from 'cache-manager-redis-store';
import { RedisCacheService } from './redis-cache.service';

@Module({
  imports: [
    CacheModule.registerAsync({
      imports: [ConfigModule],
      inject: [ConfigService],
      useFactory: async (configService: ConfigService) => ({
        store: redisStore,
        host: configService.get<string>('REDIS_USERNAME'),
        username: configService.get<string>('REDIS_USERNAME'),
        password: configService.get<string>('REDIS_PASSWORD'),
        port: configService.get<number>('REDIS_PORT'),
        ttl: configService.get('REDIS_TTL'),
      }),
      isGlobal: true,
    }),
  ],
  providers: [RedisCacheService],
})
export class RedisCacheModule {}

redis-cache.service.ts

import { Injectable } from '@nestjs/common';

@Injectable()
export class RedisCacheService {
  // extendable redis cache service goes here
}