Multi Version Clustering

[TheOriginalGraLargeShrimpakaReaper]

I have a new Requirement.
In one environment (etcd, PostgreSQL/Patroni/PgBouncer and HAProx) has to run multiple PostgreSQL Versions.
The reason is, some Applications require hard PostgrSQL <= 15, other >= 15, the next < 17 and so.

I cannot Build the whole System for each version, we have not enough DBs for this (it is what it is, thanks to the Management, discussions about sense and nonsense are unnecessarily).

In blank Patroni, i can install multiple versions on a Patroni Node and run several Cluster on the same Patroni Node (with different Ports).
Is this also possible with autobase?

[vitabaks]

Deploying multiple PostgreSQL instances on a single host is not supported.

This scenario is typically addressed by using separate virtual machines (VMs).

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