Postgres operators

• Kubernetes Operator for PostgreSQL: How to Choose and Set Up One

CloudNativePG

• Website
• GitHub
  • Golang
  • 6k stars, 160 contributors
• Official Helm chart
  • GitHub
• Docs

Major version upgrades

• Docs: Major version upgrades
• The Offline In-Place Major Upgrades method introducted in v1.26.0 (2025-06) seems to work fully automated
• But: Trying to upgrade a cluster from v13 to v14 resulted in:

  major upgrades are only supported to version 16 or higher

  • Upgrading from v13 to v16 worked !

Backup

• Backup
• Barman Cloud CNPG-I plugin
  • Docs

Cnpg plugin for kubectl

• Using the cnpg plugin for kubectl
• Kubectl Plugin

Install:

pamac install kubectl-cnpg

Usage:

kubectl -n varac get cluster
kubectl cnpg -n varac status cloudnative-pg-test

Zalando postgres-operator

• GitHub
  • Golang
  • 4.7k stars, >200 contributors
• Docs
  • In-place major version upgrade
    • Fewer manual steps involved than with crunchy postgres-operator
• Helm chart

Crunchy postgres-operator

• GitHub
  • Golang
  • 4k stars, 91 contributors
• Docs
  • Postgres Major Version Upgrade
    • Still multiple manual steps involved