NPM-KeepAliveD/Galera

user for running script:
keepaliveddd 


sudo adduser keepaliveddd

<SOME_SUPER_SECURE_PASSWORD>

#Galera nodes    
'''
sudo apt install galera-4 mariadb-server
'''

#Load balancers
'''
sudo apt install keepalived nginx
'''


Of course change what needs to be changed in config files.