• Install docker. Go to https://docs.docker.com/install/ and install a docker to your system
• Install redis-cli
• Install python redis module

• Initialize docker swarm by executing a command like this one

docker swarm init --advertise-addr $(hostname -i)

• Make sure node is enabled

docker node ls

• Install docker registry

docker service create --name registry --publish published=5000,target=5000 registry:2

• Build the docker image

docker build --force-rm=true --tag=127.0.0.1:5000/redis ./redis-image

• Push the image

docker push 127.0.0.1:5000/redis

• Deploy docker swarm stack

docker stack deploy --compose-file=docker-stack.yml redis

• Make sure that all three dockers are up and running

redis-cli -h 127.0.0.1 -p 16379 ping

redis-cli -h 127.0.0.1 -p 16380 ping

redis-cli -h 127.0.0.1 -p 16381 ping

• Run python script to write results

python test-redis.py