https://cloudnative-pg.io/
https://cloudnative-pg.io/docs/
https://cloudnative-pg.io/documentation/current/backup/
https://github.com/cloudnative-pg/cloudnative-pg

https://www.kubegres.io/
https://github.com/reactive-tech/kubegres

https://github.com/movetokube/postgres-operator

https://www.postgresql.org/docs/current/creating-cluster.html

2024
https://blog.stonegarden.dev/articles/2024/10/k8s-postgres/
    !!! super, but a long read
2023
https://www.cncf.io/blog/2023/09/29/recommended-architectures-for-postgresql-in-kubernetes/
    !
2022
https://habr.com/ru/company/domclick/blog/649167/
    bitnami helm repo
https://www.containiq.com/post/deploy-postgres-on-kubernetes