How to connect elastic cache Redis to Nestjs Application

I want to establish a connection with Redis to Nestjs I have searched a lot but I can not figure it out. i establish a connection with my localhost Redis with Nestjs with CacheModule like this CacheModule.register({ store: redisStore, host: 'localhost', port: 6379, }), but how can I connect elastic cache Redis. I am using nests with rds Postgres I have deployed on the elastic beanstalk also create a Redis cluster and created a security group for rds and Redis connect these security groups to elastic beanstalk but the issue with Nestjs code do not know how to write if anyone knows please do help me in this headache situation