Simple flask app which works with docker-compose to test scalling with swarm
docker-compose up
docker-compose down
docker-compose build
docker stack deploy -c docker-compose.yml shortenerApp
docker service ls
docker service update shortenerApp_shrtnr_app --publish-add 80:80
docker service scale shortenerApp_shrtnr_app=4
curl 127.0.0.1/getURL/CEXIA
docker exec -it b28a64bca6b2 sh
redis-cli
select 0
dbsize
keys *