How to Upgrade PostgreSQL10 to PostgreSQL11 With Zero Downtime

https://severalnines.com/database-blog/how-upgrade-postgresql10-postgresql11-zero-downtime?fbclid=IwAR2dLzpr0haE3V2XO0NxaWVuAB2yitmiP7hdWsDvJmnz3-gF861XDxhEXNE