Redis is not just a Cache

Redis Exploratory using Golang Example

Message Queue with Push Based using List

It using Producer and consumer with Blocking Consumer when empty list it also can have multiple producer, multiple consumer

PubSub with Pull Based using Streams

It using Publisher and Consumer with Pull Based based on lastId

Optimistic-Locking like auction app with thousand client trying to change to current bid

It use WATCH CLI and whenever the watched value key is changed the other client get aborted and return error redis.Nil