How do I implement a HA PostgreSQL setup in k8s/k3s ?

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  • postgres-operator

    Postgres operator creates and manages PostgreSQL clusters running in Kubernetes (by zalando)

    I am trying to setup HA PostgreSQL in k3s on a bare metal VM. I think this tool https://github.com/zalando/postgres-operator is relevant to what I'm trying to achieve, but I have absolutely no idea how to go ahead with this. Can someone pls point me to a tutorial of some sort that can act as a starting point? I just read about the CAP theorem and I dont have much idea about distributed databases.

  • cockroach

    CockroachDB - the open source, cloud-native distributed SQL database.

    Technically not postgres, but could be worth checking out cockroach db, it can use any postgres driver from programming languages and is build for distribution. I recently moved from postgres to cockroach (with golang postgres driver) and didnt need to change a single query

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