CNPG Recipe 17 - PostgreSQL In-Place Major Upgrades

CloudNativePG 1.26 introduces one of its most anticipated features: declarative in-place major upgrades for PostgreSQL using pg_upgrade . This new approach allows you to upgrade PostgreSQL clusters by simply modifying the imageName in their configuration—just like a minor version update. While it requires brief downtime, it significantly reduces operational overhead, making it ideal for managing…