How to upgrade memphis

Procedure for upgrading memphis cluster
Kubernetes (Helm)
Make sure no Memphis container is running
docker ps -a
Remove containers if needed
docker rm -f <container name>
Re-run docker-compose installation
Uninstall existing helm installation
helm uninstall my-memphis -n memphis
Data will not be lost! PVCs are not removed and will re-attach to the new installation
Upgrade Memphis helm repo
helm repo update
Re-install Memphis