I received an warning email from DO stating my redis instance isnt secure and is accessible by any outsider

The advice I got from DO is the following:

" Remediation of this issue will take just a few minutes and is relatively straightforward. You will need to open /etc/redis/redis.conf and uncomment (remove the “#”) or modify the line beginning with:

    #bind 127.0.0.1 ::1

Afterwards, restart redis with:

    sudo systemctl restart redis

"

However, I did not install redis directly on the droplet itself. My droplet has docker installed and I use portainer to menage all my containers, so my redis, postgres, backend, pgadmin, redisinsight are all docker containers in the same network. So I am not sure how to secure my redis instance given that these instruction are for people who install redis directly in the droplet and not by containers.

Summary: How to protect my redis instance container from the outside world and only be accessible by localhost?