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I run multi terabyte, billions of rows HA postgres in kubernetes using a helm chart and Patroni (baked into the chart), which uses the native k8s API for automatic failover and pgbackrest for seamlessly provisioning new replicas. It's a single helm chart and is by far the easiest DBA I've ever done in many years.

I realise this is possibly asking you to give away secret sauce, but is this written up anywhere? Having an example to point at to be able to say "Look, this isn't scary, we can contemplate retiring that nasty lump of tin underneath that Oracle instance after all" would be quite a valuable contribution.

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