# Day to day PostgreSQL on Kubernetes: Resize, Scale, and Upgrade

DevFeed: [Day to day PostgreSQL on Kubernetes: Resize, Scale, and Upgrade](<https://devfeed.tech/articles/day-to-day-postgresql-on-kubernetes-resize-scale-and-upgrade-14485.md>)

Original publisher: [Read original article](<https://www.cybertec-postgresql.com/en/day-to-day-postgresql-on-kubernetes-resize-scale-and-upgrade/>)

Author: Hans-Jürgen Schönig

Published: 2026-08-25T06:16:00Z

Content type: tutorial

Language: en

Sources: [CYBERTEC PostgreSQL | Services & Support](<https://devfeed.tech/sources/cybertec-postgresql-services-support.md>)

Topics: [Kubernetes](<https://devfeed.tech/topics/kubernetes.md>), [PostgreSQL](<https://devfeed.tech/topics/postgresql.md>), [postgresql clusters](<https://devfeed.tech/topics/postgresql-clusters.md>)

Tags: [capacity](<https://devfeed.tech/tags/capacity.md>), [commands](<https://devfeed.tech/tags/commands.md>), [declarative](<https://devfeed.tech/tags/declarative.md>), [github](<https://devfeed.tech/tags/github.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [kubectl](<https://devfeed.tech/tags/kubectl.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [operations](<https://devfeed.tech/tags/operations.md>), [patroni](<https://devfeed.tech/tags/patroni.md>), [pg-operator](<https://devfeed.tech/tags/pg-operator.md>), [postgresql](<https://devfeed.tech/tags/postgresql.md>), [postgresql-on-cloud](<https://devfeed.tech/tags/postgresql-on-cloud.md>), [pull-requests](<https://devfeed.tech/tags/pull-requests.md>), [rolling-update](<https://devfeed.tech/tags/rolling-update.md>), [scale](<https://devfeed.tech/tags/scale.md>), [upgrade](<https://devfeed.tech/tags/upgrade.md>)

## AI overview

A tutorial demonstrates resizing, scaling, and minor version upgrades for PostgreSQL running on Kubernetes with the CYBERTEC PG Operator. Using end-to-end minikube tests, it shows declarative manifest changes, rolling updates, Patroni failover, and scaling while the cluster remains available.

## Source excerpt

This blog is about the resizing, scaling PostgreSQL in Kubernetes. This blog helps you learn various operation related to operations of PostgreSQL in Kubernetes. The post Day to day PostgreSQL on Kubernetes: Resize, Scale, and Upgrade appeared first on CYBERTEC PostgreSQL | Services & Support.