Running a Redis cluster locally

create a local folder called redis
create a config file redis-0.conf for the first node:

port 6380
appendonly no
cluster-enabled yes
cluster-require-full-coverage no
cluster-node-timeout 15000
cluster-config-file /data/nodes.conf
cluster-migration-barrier 1
masteruser default
protected-mode no
save 900 1
save 300 10
save 60 10000

clone the config file 3 times for 3 nodes, change the port: redis-0.conf: 6380, redis-1.conf: 6381, redis-2.conf: 6382
using docker or podman (command is essentially the same), run:

podman pull redis:6

The containers must be in the host network, otherwise the cluster won't work as the client won't be able to resolve the redirect commands

podman run -d --rm --name redis-0 -v .\redis\:/conf --net host -p 6380:6380 redis redis-server /conf/redis-0.conf

podman run -d --rm --name redis-1 -v .\redis\:/conf --net host -p 6381:6381 redis redis-server /conf/redis-1.conf

podman run -d --rm --name redis-2 -v .\redis\:/conf --net host -p 6382:6382 redis redis-server /conf/redis-2.conf

once the containers are started, run

podman exec -it redis-0 redis-cli --cluster create --cluster-replicas 0 localhost:6380 localhost:6381 localhost:6382

if the nodes can access each other, type yes to accept the cluster config
the connection string would be localhost:6380